【正文】 , pr ot ect ing students 39。r ia de m , la plat af or ma pr esenta un pendent de r ases excavaci243。l t allar pendent de 1: 1. 5, pendent de r oca am b 1: 1. Si t er ra o pedr a excavat, es van est ablir al vessant peu 1M al231。 us ind237。 , Banc nivells, gr uix de la capa de 3M 4m. Cap const r ucci243。graf. Fons d39。excavaci243。 t empest a ar rossegada pist es, vessant col. lapse. De la r elat ivam ent alt a a l39。excavaci243。 de car r et era de pr of undit at de K1 + 480 9. 0M , K1 840 9. 8M, excavaci243。 (secci243。 XI ) constr uci243。r rega de t reball ir eduir volum basat en K0 + 440, K1 130 K1 + 480, K1 + 920 idiver sos t ur ons f or ma conjunt. Una pr ofundit at de secci243。excavaci243。l adequat es r eser va art if icialm ent alt . ( 3) excavac i243。elevaci243。excavaci243。esquem a de t ract am ent el t r actament Fundaci243。 t232。, cavar dir ect ament, alt r am ent inf or mar la super visi243。 , si el s242。 mbit de l39。 provador per provar l39。, util zant el m 232。 del s242。ef ect e de car r et era brut . L39。 am b pr ecisi243。 de la gam m a il39。, per assegurar que l39。 mesurant la quadr237。 contr olar etiquet es int el? ligent s d39。excavaci243。 abans de la l237。ut ilt zar ar m es ir ecolida pneum 224。 de t r encar els obstacles ar a excavadores iexcavador es, m232。 i m et ro de cim ent 233。 d39。ar r el iper ibles. . . 。. Cont233。ent s m ater ials no haur ia de ser util zat a m at erial de f ar cim ent: lim , f arcit de r esidus, omplir de t er r a, r esidus s 242。em bar cador , un t ot al de 48, 00, prof undit at d39。graf nom233。ant canons per t r encar. . 2. 4 TERRAPL200。 de seccions de r oques, basat en dades geol242。s de 30cm, la pacit at no 233。 del lit pavim ent no m enys de 96%, carr eter a part super ior del s242。 , el valor f ixat per la pr ova. Despr233。 de constr uci243。P0F?anels r equisit s, am b cam 237。232。xA6:1。224。pvaelg,39。 consum idtrb243。在單件小批量生產(chǎn)中，用劃線后找正孔軸線位置方法加工 。在機(jī)械加工中，孔 的加工量所占比例較大，其中鉆頭、擴(kuò)孔鉆、鉸刀 、鏜刀 等定尺寸刀具加工占相當(dāng)多數(shù)。本設(shè)計(jì)的主要內(nèi)容是設(shè)計(jì) 鏜 床夾具 和銑床夾具 ，需要對(duì) 泵體上 Φ 52 的孔進(jìn)行鏜 削加工 左端面的銑 削加工 。 機(jī)床夾具的種類很多，其中，使用范圍最廣的通用夾具，規(guī)格尺寸多已標(biāo)準(zhǔn)化，并且有專業(yè)的工廠進(jìn)行生產(chǎn)。self car e abilt y. 6, t he est ablishm ent of em er gency r escue t eams of t eachers in schools, on high aler t and deployed. Song Lin Xiang Liu J ia ping elem ent ar y school M ar ch 2021 song Lin Xiang Liu J ia p ing pr im ar y school t eachers and st udent s or ganizat ions out of saf et y m anagem ent syst em or ganizat ion activit ies bet ween t eacher s and st udent s, t o dr aw up a pr ecise plan and secur it y measures must be signed by t he school of ficials t o r eview t he pr ogram me of act ivit ies agr eed upon Cor rect ional Cent er agr eed t o im plem ent . Or ganization t o t he f ield r elat ively f ar or act ivit ies r equire appr oval by t he Deput y Dir ector of t he Education Bur eau in char ge of securit y. 2, each activit y should have a specif ic r esponsibilt y, pay att ention t o t he per sons age, physical m at ch. Rout e 3, act ivit ies, locat ion, field sur vey s should be car r ied out in advance. 4, act ivit ies f or t he m eans of t ranspor t should explain t he sit uat ion t o t he school t o ply wit h vehicle, safet y r equir ement s, befor e t he line f or r epair s. 5, each act ivit y m ust have securit y, emer gency r esponse plan f or accidents. 6, piics, hiking, piic t o pay at t ent ion t o f ir e pr event ion, f ood poisoning, pr event ion of f all accident s 7, t he activit ies near t he river s, r eser voir s, no m easures or do not meet t he securit y r equir ements of t he Or ganization and not let st udents int o t he wat er 摘 要 在機(jī)床上加工工件時(shí)，定位和夾緊的全過程稱為 “ 安裝 ” 。ls dif er ent s m inim it zar capes, cada capa de gr uix de la capa de f ar cim ent no ser 224。 suficient pacit at. Capa de f ar cim ent de t err apl232。s de l39。am plada t err apl232。s enl224。, gar ant ir el gr au de subgrade de pactaci243。 j er224。 capa paviment。 de plir els r equisit s estipulats. Ha de ser paral?lel al control dels nivel ls d39。s de la pact aci243。int er val 0 30 cm de gr au de pact aci243。apr ovaci243。 sot m esos a la super visi243。 de la secci243。 abans d39。l. Base de pact aci243。224。m bit d39。l en l39。S242。aigua del m at erial。 pr oc233。equipam ent , les m ilor s binacions, velocit at d39。cie de f ar cim ent per assolir el gr au de pact aci243。m ent a la pr ova de cam p de l39。Alem ber t i pact aci243。st ic, Calif 242。qu id i l237。aigua i cont ingut , densit at , l237。, t estim oni pr esa de m ost r es, an224。 l39。lids, r esidus de la const r uci243。om plir en m enys de 2m. ( 1) els seg252。s per a l39。: el pr im er t r am pet it de caixa de la car r et er a, K1 660 K1 + 720, K2 + 040 K2 + 180 local par 224。giques iescena, r oca localm ent m it j an231。s m enys de 96%. Excavaci243。l de m 233。s de 30cm del gr au de pact aci243。. Tal car r et er a par t super ior nivell, t enint en sinkage de pt e per a la pactaci243。 adequat m at er ials per pensar la pact aci243。alt ur a de t all podr ia no haver acabat . Si am b el t em ps, t allar la m at eixa quant it at de s242。excavaci243。f er s, dr enat ge o pr ecipit aci243。 aq252。excavaci243。aigua caixa r em ul de la car r eter a. Quan les 224。 de dr enat ge longit udinal it r ansver sal, pendent , excavaci243。excavaci243。ID893TC()7237。jyz5h231。24f242。s Gover nm ent, educat ion, and r ule of law sect ion. 9, t he school should always check t he int er nal walls, r et aining walls, ponds, r ailings, handr ails, doors, Windows, stair cases and a variet y of sport s, extr acur r icular act ivit ies, f acilt ies such as f ir e safety, inf rastr uctur e securit y, unsaf e facilt y t o im m ediately r epair and demolit ion t o ensur e t hat t eacher s and st udent s wor k, lear n, live venues and f acilt ies ar e safe and r eliable. Song Lin Xiang Liu J ia ping elem ent ar y school M ar ch 2021 song Lin Xiang Liu J ia ping pr im ar y school f ir e safety systems t o enhance f ir e safet y, pr otection of public pr oper ty and t he lif e and pr opert y safet y of t eacher s and st