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back fill英英字典_back fill剑桥英语解释_back fill柯林斯英文解释_歐米惠必应词典
歐米惠必应词典

back fill

B 开头单词

柯林斯词典

    backfill /ˈbækˌfɪl/

  • 1. V to refill an excavated trench, esp (in archaeology) at the end of an investigation (尤指考古挖掘後)重新填埋坑、壕

  • 2. N the soil used to do this 廻填土

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