Dia 50mm steep pipe polycar bonate sheet perforated steel sheet.谁能帮我翻译一下呢?

Dia 50mm steep pipe polycar bonate sheet perforated steel sheet.谁能帮我翻译一下呢? Dia 50mm steep pipe polycar bonate sheet perforated steel sheet.谁能帮我翻译一下呢? 建筑翻译请进：250mm DIA scupper pipe,后面的单位是m run,这是什么单位? 英语翻译1.PPR SOCKET TYPE 90° ELBOW Size:40mmNB QTY:50NOS.2.PPR SOCKET TYPE 90° ELBOW Size:50mmNB QTY:50NOS.3.PPR FLANGES AS PER TABLE ND-16 Suitable for 50mmNB PPR Pipe (OD 165mm,ID61mm,Thickness 18mm 4 nos of Hole of 18mm Dia at 125 Dia PCD Q PIPE 100 DIA SCH 40*75 LG什麽意思 steep dia . DIA 螺栓 BOLT,MACH,GS,20MM DIA,60MM LG, Pipe 12 ND X 6.4mm WT ERW Line Pipe,ND, 我买的美瞳上面写了T.DIA:17.2mm DIA:15.0mm 直径怎么有两个阿.到底哪个是直径. 英语翻译1 Pipe sch 40,20 dia ASTM 106 GR-B OR API 5L GR-B,Seamless Beveled End.20ft Long 8 lg 2 Pipe sch 40,12 dia ASTM 106 GR-B OR API 5L GR-B,Seamless Beveled End.20ft Long 2 lg 3 Pipe sch 40,10 dia ASTM 106 GR-B OR API 5L GR-B,Seamless Beve steep 是什么意思 steep是什么意思 有关圆柱销的尺寸问题请问有没有DIA为3.8MM, 2.3MM, 1.8MM, 2.0MM的圆柱销,这些尺寸是标准的吗? Stainless steel pipe Sch.# 10 S,Thickness 6 mm 是什么意识 ..特别是# 10 S 是什么意识 Æ350mm Sch 5 ERW Pipe 麻烦知道的回复一下!急