bevel gear
柯林斯词典
1. N a gear having teeth cut into a conical surface known as the pitch zone. Two such gears mesh together to transmit power between two shafts at an angle to each other 錐齒輪
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1. N a gear having teeth cut into a conical surface known as the pitch zone. Two such gears mesh together to transmit power between two shafts at an angle to each other 錐齒輪