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touchhole是什么意思

touchhole

美['tʌtʃˌhoʊl]  英['tʌtʃˌhəʊl]
n.  点火孔

例句

  1. Flash in the pan, an explosion of gunpowder without any communication beyond the touchhole. 池内火花,火药爆炸,却未到达枪口外。
  2. they apparently were fired by applying a red-hot wire to a touchhole drilled through the top. )类似旧式汽水瓶,显然经由连至顶部火门的红热导线而发射。
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