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1·These two metal parts bolt together.

这两个金属零件是拴在一起的。

2·Surface of metal parts shall be kept clean.

金属零件表面应保持清洁。

3·The metal parts warp and lose their strength.

金属零件扭曲，失去他们的力量。

4·For form and mirror finish grinding of metal parts.

适用于金属材料的成型磨削和镜面磨削。

5·What is the best process to make complex metal parts?

制造复杂金属件的最好工艺是什么? ?。

6·Light fittings with metal parts should always be earthed.

有金属部件的照明装置都应该走地线。

7·The metal parts can be protected from corrosion by painting.

涂漆可以防止金属零件腐蚀。

8·When two metal parts move over each other they will wear away rapidly.

当二个金属部件互在其上运动时它们将迅速地磨损。

9·A flange which contains insulating material to separate the metal parts.

带有绝缘材料的法兰，用来分开金属部件。

10·And the metal parts are all highly polished and blued to a deep, rich black color.

而金属零件都是高度抛光和发蓝到深，丰富的黑色。