... foreign material杂质 forged parts锻制件 forging锻造 ...
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短语
锻制管件
wrought fitting
;
forged fittings
锻钢制螺纹管件
Forged steel threaded pipe fittings
锻件监制工程师
Forging Expediting Engineer
锻件制品要求
Requirements for production of forgings
锻钢制管件
Forged pipe fittings
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