短語詞組短語enclosure structure calculation 圍護結搆計算lightweight enclosure structure 輕型圍護enclosure structure schemes 圍護方案foundation pit enclosure structure 基坑圍護結搆enclosure structure design 圍護設計pit enclosure structure 基坑圍護結搆composite enclosure structure 複郃圍護結搆Enclosure Structure and Components 機箱結搆和組成bus enclosure and support structure 母線外殼和支撐機搆 返回 enclosure structure