圆柱形球头立铣刀是一种高效刀具。
The cylindrical end mill with ball-nose is one kind of highly efficient cutting tool.
通常圆柱形蜗杆都是用成型车刀或铣刀加工，效率低而且齿形不易控制，质量也不易保证。
Cylindrical worms are usually worked by formed turning tool or milling cutter. It is inefficient. The tooth shape is difficult to control and the quality is not easy insured.
通常圆柱形蜗杆都是用成型车刀或铣刀加工，效率低而且齿形不易控制，质量也不易保证。
Cylindrical worms are usually worked by formed turning tool or milling cutter. It is inefficient. The tooth shape is difficult to control and the quality is not easy insured.
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