"钢管"怎么译?是steel pipe还是steel tube?都能用?那两者有什么不同?

钢管怎么译?是steel pipe还是steel tube?都能用?那两者有什么不同? CW steel pipe是什么钢管? overroll steel pipe是什么 steel pipe,S235JR grade,black tube 是什么钢管,CEV:lower than 0.35% , lancing pipe什么钢管 stainless steel pipe(H-D12) electro 316L stainless steel pipe with electro polish,其中的electro polish怎么理解? G.I.pipe是什么钢管? steel pipe sleeve and penetraiton什么意思? ductile iron,steel or HDPE pipe 英语翻译At the same time,a steel pipe(钢管) is pushed down to stop the sides from falling in and to keep out water. 完型：At the same time,a steel pipe(钢管) is p______ down to .A.put B.pulled C.pushedAt the same time,a steel pipe(钢管) is p______ down to stop the sides from falling in and to keep out water.附全文：Nowadays more and more people care abo pipe (DN20,SCH40)是什么意思,和国标钢管的规格尺寸是如何对应的 SKD Steel Tube是什么钢管? 请问black ew steel pipe 标准为A53 B stainless steel lance pipe 是什么管,什么标准?主要应用领域？ stainless steel and other pipe fittings什么意思 mother pipe怎么翻译