短語(yǔ)詞組短語(yǔ)belt tensioning idler pulley 緊帶惰輪belt tension idler pulley 緊帶惰輪idler belt pulley 張緊輪皮帶輪idler belt pulley assembly 張緊輪皮帶輪縂成air compressor idler belt pulley 空壓機(jī)中間傳動(dòng)帶輪 返回 belt idler pulley