英语词汇“pyrotechnic signal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pyrotechnic signal
释义	pyrotechnic signal pyrotechnic signal [¦pī·rə¦tek·nik ′sig·nəl] (communications) Signal designed for military use to produce a colored light or smoke, for the purpose of transmitting information.
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