adjusting idler wheel的意思|示意

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调节滚轮

调整用惰轮 ... Adjusting hand wheel 调整手轮 adjusting idler wheel 调整用惰轮 adjusting hand wheel lock nut 调整手轮锁紧螺母 ...

履带诱导轮 adjusting idler wheel 调整用惰轮; 履带诱导轮...