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  • ID:9436-9071
    Anvalve which allows the fresh charge of fuel/air into the combustion chamber。

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  • ID:9436-7514

    (翻译)先进制造技术当中的最基本的概念之一是数字控制(NC)。

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  • ID:9436-9063
    (翻译)Around 77% consists of metals ,which are ,on the whole ,easily recyclabe ,albeit with some degradation in quality.

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  • ID:9436-7508

    (翻译)There are a variety of definitions of the term robot 。 Depending on the definition used, the number of robot installations worldwide varies widely。

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  • ID:9436-9061

    2-3% vehicle exhaust emissions consist of toxic substances such as:、、

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  • ID:9436-9058
    The parts of car can be grouped into four major categories: engine,

    , and 。

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