短語詞組短語casing string structure 套管柱結(jié)構(gòu)casing -structure heat-exchanger 板殼換熱器single casing structure 單缸結(jié)構(gòu)prestressed column casing structure 圓筒形預(yù)應(yīng)力結(jié)構(gòu)spiral casing structure 蝸殼結(jié)構(gòu)Structure and casing design specialist 結(jié)構(gòu)設(shè)計(jì)工程師 返回 case structure