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