英语词汇“pyrotechnic signal”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	pyrotechnic signal
释义	pyrotechnic signal 基本例句烟火信号 General specifications of pyrotechnic distress sig.船用烟火信号通用技术条件。
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