英语词汇“primary excavation”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	primary excavation
释义	primary excavation primary excavation [′prī‚mer·ē ‚eks·kə′vā·shən] (engineering) Digging performed in undisturbed soil. primary excavation The excavation of soil which has not previously been moved.
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