短語(yǔ)詞組短語(yǔ)liquid covering slag layer 液渣層concrete covering -layer 混凝土覆蓋層double -covering-layer 雙覆層covering soil layer inside levee 堤內(nèi)壓蓋asphalt covering layer 瀝青加鋪層tympanic covering layer 繙譯deep thick covering layer 深厚覆蓋層linoleum floor covering layer 油氈地板覆蓋鋪設(shè)者covering layer thickness 保護(hù)層厚度 返回 covering layer