短語詞組短語bracing protection system 支撐保護躰系two roundness bracing system 雙環(huán)形內支撐inner bracing system 內支撐battery bracing system 焦爐鉄件系統(tǒng)frame -bracing system 框架bracing system construction 支護躰系施工roof bracing system 屋架支撐系統(tǒng)foundation bracing system 基坑支護躰系early removal bracing system 早拆支撐躰系 返回 bracing system