powder B[化] B火药
powdern.粉末;粉;火药;细雪vt.洒粉于;使变成粉;重击vi.变成粉;涂粉
powder inhalation粉剂吸入法
powder feeder unit粉末供应装置
powder fuel ramjet粉末燃料冲压发动机
powder suppressant干粉抑爆剂
powdered lubricant润滑粉、粉质润滑材料
powder dip coating粉末浸涂法
powder finish line粉末涂装线
powder photography粉末照相术