BEC中级口语指导24_BEC口语

    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。
    5.detailed drawing 零件图
    a: what is a detailed drawing?
    b: it's a drawing of an individual part or component.
    a:零件图指什么?
    b:是指单个零部件的图纸。