bow sextant是什么意思，bow sextant的翻译，bow sextant音标、读音、用法和例句

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bow sextant是什么意思，bow sextant的翻译，bow sextant音标、读音、用法和例句_伍贰汉英词典

bow sextant

基本解释

专业释义

交通运输工程