[作业 运输] 从灰尘中制取金属颗粒 dusts: 粉剂making out: 开花结果out-of pahase making current: 失步关合电流abrasive dusts: 磨擦性粉剂oil dusts: 加过油的粉剂下载手机词典可随时随地查词查翻译