Casing Plain End Seamless Pipe是什么管?
bearing grade seamless steel tubes是什么管
求准确翻译“Seamless Duplex Line Pipe Seamless Duplex Line Pipe =D
stainless steel lance pipe 是什么管,什么标准?
PRODUCTION OF COLD DRAWN SEAMLESS STAINLESS STEEL TUBES/PIPE
在钢铁中,stainless pipe和seamless pipe有什么区别?
casing price 是什么价格呀?
英语翻译Line Pipe,Carbon Steel Seamless,Size 6",W.T 0.375",accor
Seamless Carbon Steel Pipe for High Temperature Service 指的就是
1)Stainless Steel Seamless Pipe ASTM A312 316L Sch-10 Size:2
管道等级代号含义Steel seamless pipe无缝钢管 Size 规格:8" (Φ219.1×6.3 mm) C
pipe, line seamless 4" uncoated sch180 API 5L*52 double rand
英语翻译1.Seamless Carbon Steel Pipe Sch.XS c/w plastic caps at