Arrived clear generation, appeared skates, cent broadsword and double knife two kinds.

到了清代, 出现了冰刀, 分单刀和双刀两种.冰刀钉在木板上,再把木板捆在鞋上,这就是冰鞋.

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The drive mechanism for the double knife cutter bar of Combine harvester has been designed.

设计了全喂入稻麦联合收割机双动刀往复式切割器驱动装置.

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Specification: Single - knife rubber bale cutter double - knife rubber produce line, ten - knife rubber bale cutter.

单刀双缸切胶机;试验室用单缸切胶机;双刀切胶生产联动线; 十刃切胶机.

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