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The transfer point in coal transportation system is key source of dusting.
皮带输煤系统的转载点是选煤厂最主要的产尘环节。
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R2 is the point of signal transfer between plunger and barrel.
R2是顶针与套壳体之间的信号传输点。
youdao
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R2 is the point of signal transfer between plunger and barrel.
R2是顶针与套壳体之间的信号传输点。
youdao