短語詞組短語dam shell material construction 壩殼料施工Shell plating construction 外板構(gòu)造shell type construction 薄殼結(jié)構(gòu)solid shell construction 堅(jiān)固結(jié)構(gòu)stressed shell construction 張殼構(gòu)造protective shell construction 套箱施工shingle shell construction 瓦片式爐殼結(jié)構(gòu)thin -shell construction 薄殼結(jié)構(gòu)shell l type construction 薄殼結(jié)構(gòu) 返回 shell construction