grading machine是什么意思_ grading machine用英语怎么说_ grading machine的翻译_ grading machine翻译成_ grading machine的中文意思_ grading machine怎么读, grading machine的读音, grading machine的用法, grading machine的例句

Professional production of jet mill series, grading machine.

专业生产各种气流粉碎机系列, 分级机系列.

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The structural features and working principle of QFZ cleaning - grading machine were introduced in detail.

详细介绍了QFZ清理 分级机系列产品的结构特点和工作原理.

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