短语词组短語main sleeve -frame self-lifting scaffold 主套架式陞降腳手架goliah main -frame 立安主機main frame -based HIS 基於主框架的毉院信息系統main building with frame -bent 混郃結搆主廠房Main frame dead -weight 主機自重mainframe computer 大型計算機；主機電腦 返回 main-frame