短语词组短语vacuum m cleaner 吸尘器;真空吸尘器vacuum -cleaner alloy 真空净化器用合金vacuum slag cleaner VSC 真空除渣机vacuum windshield cleaner 真空驱动式风窗刮水器vacuum vacuum cleaner 真空吸尘器vacuum sewer cleaner 真空吸粪车vacuum m cleaner motor 真空吸尘器电机 返回 vacuum cleaner