gear crack
英
美
- 齿轮裂纹
相关词汇
Gearey
gear
gear with addendum modification
gear pitch measuring instrument
gear and thread cutting machine
gear lubricating mineral grease
gear shift reverse latch spring
gear hob for pregrinding hobbing
gear single flank rolling tester
geared crank-slider mechanisms
gear lubrication oil's selection
geared foot-operated generator
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