英语词汇“trench excavator”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	trench excavator
释义	trench excavator trench excavator [′trench ′ek·skə‚vād·ər] (mechanical engineering) A digging machine, usually on crawler tracks, and having either a movable wheel or a continuous chain on which buckets are mounted. Also known as bucket-ladder excavator; ditcher; trencher; trenching machine.
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