短語詞組短語Cut t and Fill 挖方和填方cut peak and fill vale 削峰填谷cut peak and fill valley 削峰填谷overhand horizontal cut -and fill 上向水平分層充填采礦法cut and fill balance 土方平衡cut and fill design 挖填設(shè)計cut and fill slops 半挖半填斜坡cut and fill mining 充填開采cut and fill system 分層充填開采法 返回 cut and fill