英语词汇backfill怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	backfill
释义	back·fill AHD[băkʹfĭl'] D.J.[ˈbækˌfɪl]K.K.[ˈbækˌfɪl]n.（名词） Material used to refill an excavated area.回填料：用来重新填满被挖区域的材料 v.tr.（及物动词）back.filled, back.fill.ing, back.fills To refill (an excavated area) with such material.回填，重新填满：用回填料等材料重新填满（被挖区域）
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