大家在查：积碳铰削腐蚀磨损烧瓦热模锻压力机活塞裙部金融机构治理范剑平一稿多投会计研究

松孔镀铬

网络spongy chromium plating

松孔镀铬

松孔镀铬

松孔镀铬

spongy chromium plating

... spongy vulcanization n.海绵状硫化 spongy chromium plating 松孔镀铬 It was spongy to the touch. 这东西摸上去像海绵。 ...

1

The invention relates to a piston ring and a surface spongy chromium plating technique thereof.

一种活塞环及其表面松孔镀铬工艺。

2

Application of honey chromium-plating in the repair of diesel engine cylinders

松孔镀铬在修复柴油机汽缸上的应用

3

The study on the crackle Cr-plating processing of piston ring

活塞环松孔镀铬工艺的探讨

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