趣英语 / “冲孔”造句

“冲孔”造句

阐述了冲孔 、 落料 、 压弯复合模的结构设计及工作原理.
Expounded punching, blanking, bending modulus of the composite structure design and principle.

设计了一种新型无毛刺冲孔模具.
A new style punch die without burrs is designed.

壳牌冲孔油bs含有防腐蚀添加剂 和 油性添加剂.
D Punching Oil BS also contains anti corrosion & lubricity additives.

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