短语词组短语Dust Collection Cover 吸尘罩dust guard cover 轴箱;防尘板槽盖Dust protection cover 防尘保护盖Dust Proof Cover 防尘罩dust absorbing cover 吸尘罩dust collecting cover 尘罩dust inhaling cover 集气吸尘罩dust preventative cover 挡灰盖 返回 dust cover