单词smokeless powder
un.: 无烟火药;无烟药网络: 无烟粉;无烟炸药;无烟粉末
无烟药
无烟火药
The nitramine ethers perform two functions in the smokeless powder composition.
硝胺醚在无烟火药成份中有两种作用。
A cellulose nitrate used AS a component of smokeless powder.
火纤维素硝酸纤维素,用于无烟的炸药的组成物质