短语词组短語dished drum end 碟形汽包封頭dished end plate 碟形耑板;凸形封頭dished end plate boiler 凸底鍋爐;蝶形底板式鍋爐;碟形底板式鍋爐dished end of tank 變頸段boiler dished end plate 鍋爐鼓筒碟形耑板;鍋爐鼓筒凸形耑板 返回 dished end