dry-dock caisson是什么意思，dry-dock caisson的翻译，dry-dock caisson音标、读音、用法和例句

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dry-dock caisson是什么意思，dry-dock caisson的翻译，dry-dock caisson音标、读音、用法和例句_伍贰汉英词典

dry-dock caisson

基本解释

专业释义

交通运输工程