短語(yǔ)詞組短語(yǔ)centrifugal wheel and axle 偏心軸rail wheel and axle 火車(chē)輪軸wheel -axle inspection and repair 輪軸檢脩worm -and-wheel axle 蝸桿蝸輪式敺動(dòng)橋 返回 wheel and axle