短語(yǔ)詞組短語(yǔ)belt conveyor stretcher 皮帶輸送機(jī)的伸張器belt stretcher machine 皮帶拉幅機(jī)V -belt stretcher 帶伸長(zhǎng)機(jī)stretcher of belt 皮帶伸長(zhǎng)器 返回 belt stretcher