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 metallurgical gear粉末冶金齿轮
powdery emulsion explosive粉状乳化炸药
powder dip coating process[化] 粉末浸涂法
powder bag filling machine粉剂装袋机
powder and dust monitoring粉尘监测
powder metallurgy approach粉末冶金法
powdered vulcanized rubber粉状硫化橡胶
powdery mildew of mulberry桑表白粉病