powder packing
英
美
- 粉末装填
双语例句
- A saturated uniform packing is difficult to obtain.
要获得饱和均匀的装填是困难的。 - 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。
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