freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

普通常用型鋼材規(guī)格表(編輯修改稿)

2024-07-27 23:48 本頁(yè)面
 

【文章內(nèi)容簡(jiǎn)介】 6340518804358810110100481019812653993893814a14058656413b60860916a160631010866b65101093518a180687127320b709137011120a20073711111780178128244b7591111191422a2207772394b799257125a25078712123359b80912123619c82111212388028a280824753b845118c8654844032a32088814147511b901014148057c92121414860336536a360969161611874455b9811161612652c100131616134297094840a400100181817578592b102181818644c104181819711等邊角鋼型號(hào)單 角 鋼雙角鋼圓角重心矩截面積質(zhì)量慣性矩截面模量回轉(zhuǎn)半徑iy,當(dāng)a為下列數(shù)值RZ0AIxWxmaxWxminixix0iy06mm8mm10mm12mm14mm(mm)(cm2)(kg/m)(cm4)(cm3)(cm)(cm)20364L2534L3034L3631045L403545L453545136L503456L5636458L63471756810L704
點(diǎn)擊復(fù)制文檔內(nèi)容
數(shù)學(xué)相關(guān)推薦
文庫(kù)吧 www.dybbs8.com
備案圖片鄂ICP備17016276號(hào)-1