薄煤层采煤机截割部设计_机械设计毕业论文、模具设计论文、数控论文范文_毕业论文天下网 关键词:滚筒式采煤机; 截割部; 行星齿轮传动 [gap=1272]Keywords: shearer; the cutting unit; planetary gear drive
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These technical features are reflected in the cutting unit on.
这些技术特点,都体现在切割机组上。
The cutting unit is provided with a particular arc-shaped cutting blade which is mounted on a cutter head and can be manually rotated.
切口器上有特殊弧形的切口刀,切口刀安装在刀盘上,且可手动旋转。
The explanation is that productivity has grown even faster than wages, expanding by 20% a year in industry, cutting unit labour costs.
对此的解释是生产率的涨幅远远高于工资增长率,而事实上随着工业企业单位劳力成本的削减,生产率的增幅每年都在20%以上。
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