1.Assembly 总成
A: What is an assembly exactly?
B: Assembly is a component made of more than one part.
A:总成到底是什么?
B:总成是由一个以上零件组成的部件。
2.A-Surface A级表面
A: What about A-Surface?
B: A-Surface is the surface of a product that a customer can see.
A:那A级表面又是什么呢?
B:A级表面是指顾客能看到的产品表面。
3.B-Surface B级表面
A: They also talk about B-Surface. What is that?
B: B-Surface is the surface of a component that you can't see in the normal service condition.
A:他们还说到B级表面,那是什么?
B:B级表面是在正常使用状态下看不到的部件表面。
4.Bushing 轴套
A: Self-lubricated bushing is very popular in western countries.
B: It's gaining market in China as well.
A:自动润滑轴套在西方国家很流行。
B:它也进入了中国市场。
