“percussion powder”的概念、定义、翻译、参考文献-科学参考

单词	percussion powder
释义	percussion powder [pǝr`kǝsh·ǝn ´pau̇d·ǝr] ^MATERIALS Powder so composed as to ignite by a slight percussion.
随便看	reversing motor reversing switch reversing thermometer reversing water bottle reversion revet-crag revetment revived fault scarp revived folding revived stream revolute revolute-coordinate robot revolute joint revolution revolution counter revolution indicator revolution per minute revolution per second revolution table revolver revolving-block engine revolving door revolving shovel revolving storm rewind

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