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smokeless powder例句_smokeless powder英汉例句_smokeless powder双解例句_食材鋪反向词典
食材鋪反向词典

smokeless powder

S 开头单词

常见例句

  • The nitramine ethers perform two functions in the smokeless powder composition.
    硝胺醚在無菸火葯成份中有兩種作用。
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