butt welding
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buttweldingbuttweldingbuttwelding对接焊帽
butt welding
butt welding
butt welding
对接焊帽
butt welding
butt
butt
碰焊用英语怎么说?应该是点焊,电阻焊接的那种.是不是resistance spot welding.butt-welding是碰焊,是不是太笼统了一点,碰焊有很多种、
英语翻译I want to use Butt- welding for carbon steel,stainless steel,Alloy steel.from 12to 12.Elbow,Tee,Reducer.全文如上,求翻译,
welding是什么意思
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Butt Weld
butt chin
BUTT SEX
BUTT-WELDING ELBOW SCH STD TO 80 & SCH STD OF 90º LONG RANGECONCENTRIC REDUCTION SCH STD TO 80 AND EXENTRIC是啥意思?flange 法兰产品上的
my butt
weld globe valve that has attached to i need butt weld globe valve that has attached to hubsupplier will take a standard butt weld end valve and they will attach the hub ends that you specify by welding关于截止阀的
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