percussion cap
释义
火药雷管：一种用于火器点火的小型装置，通常由金属制成，内装有少量的雷管火药，通过撞击产生火花点燃火药。
例句
1·Furtively the percussion -cap box came out.
那个雷管筒子偷偷出现了。
2·It was in a percussion -cap box.
它是装在雷管筒子里的。
3·Then furtively the percussion -cap box came out. He released the tick and put him on the long flat desk.
把扁虱放出来，放在那条平平的长条书桌上。
同义词
雷管；[军]火帽
augetdetonate-tube
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