单词查询
backfills
美[ˈbækfilz],英[ˈbækfilz],
释义
「
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n. (坑洞等的)回填土; v. 回填(坑洞等); 网络释义: 回填修补;
例句
Two sorts of backfills , bentonite and cement boned sand, have been tested in the laboratory for the system by unstable state method.
采用非稳态法对膨润土、水泥+砂两类回填材料进行了室内实验;
采用非稳态法对膨润土、水泥+砂两类回填材料进行了室内实验;