中英释义：
双语例句
王桂香，托辊专用切管机的设计制作介绍了托辊专用切管机的制作方法，解决了原有砂轮切割机劳动强度大及消耗大的问题。
The paper introduces manufacture method of special pipe-cutting machine for rollers, which have a little labor intensity and consumption compared with old grinding wheel-cutting machine.
重点词汇
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砂轮
grinding wheel; abrasive wheel; sharpening wheel
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切割机
cutter; cutting machine