【摘要】55°圓錐管螺紋(BSPT)螺紋代號(hào)基本尺寸英寸大徑mmd=D螺距mmp每英寸牙數(shù)tpi中徑mmd2=D2小徑外螺紋d3牙型高度H1圓弧尺寸r底孔尺寸mmR1/161/16"28R1/81/8"
2025-07-26 04:21
【摘要】NextGenerationTOEFLIBTTOEFLCBTPaper-basedTOEFLTEST120300677120297673119293670118290667117287660-663116283657114-115280650-653113277647111-1
2025-08-23 02:54
【摘要】閥門(mén)壓力等級(jí)對(duì)照表閥門(mén),等級(jí),壓力,對(duì)照表-壓力等級(jí)Class和公稱(chēng)壓力對(duì)照表磅級(jí)Class15030040060090015002500公稱(chēng)壓力MPa公稱(chēng)壓力PNPN6PN10PN16PN20PN25PN40PN50PN64PN100
2025-07-01 01:03
【摘要】德國(guó)—中國(guó)材料對(duì)照表德國(guó)DIN中國(guó)GB德國(guó)DIN中國(guó)GBRSt37-2Q235-AQ235-A-F20GG-20HT200St44--22520GG-25HT250St52-316Mn20MnMoGG-30HT300St7
2025-06-30 20:50
【摘要】影樓相片尺寸對(duì)照表型號(hào)規(guī)格長(zhǎng)寬(厘米)1寸2寸2寸(?。?寸2x34寸3x45寸3x5
2025-06-30 20:46
【摘要】第一篇:開(kāi)業(yè)對(duì)聯(lián)對(duì)照表 開(kāi)業(yè)對(duì)聯(lián)對(duì)照表 福澤百姓方為好綠遍九州始是春機(jī)關(guān)政界用聯(lián)民吾同胞物吾同與國(guó)而忘家公而忘私政通人和百?gòu)U具舉風(fēng)調(diào)雨順萬(wàn)象回春開(kāi)發(fā)財(cái)源為民致富唯才是舉替國(guó)進(jìn)賢學(xué)修養(yǎng)辦事一絲不茍守...
2024-10-17 16:41