spur gear (or wheel)spur gear wheelspur wheelspur-gear wheelspurgearspurwheelstraight gearur gear正: the first month of the lunar ...齒輪: cogwheel; gear wheel wheel-l ...車軸正齒輪: axle spur wheel傳動正齒輪: transmission spur wheel彈行正齒輪: elastic spur gear下載手機詞典可隨時隨地查詞查翻譯