powder packing

英 美
  • 粉末装填
  • packing n.包装
  • powder n.粉末;粉;火药;细雪vt.洒粉于;使变成粉;重击vi.变成粉;涂粉
    1. A saturated uniform packing is difficult to obtain.
      要获得饱和均匀的装填是困难的。
    2. You have probably seen these in movies, where the soldiers load the cannon with gun powder and a cannon ball and light it.
      你经常可以在电影中看到,士兵门用火药装填加农炮,然后装入炮弹,接着点火。