介绍了SX2型旋转缩分器的结构特点及其在煤炭机械化采制样装置中的应用。
The structure of new-designed SX2 rotary type coal division device is introduced in this paper.
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几近三分之一的城市也已经简编缩制。
Nearly one in three had laid off staffers.
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模块上移
模块下移
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