短语词组短語scroll -case type vapor-cooling cyclonic separator 蝸殼式汽冷鏇風分離器scroll case foundation 蝸殼基礎scroll case hoisting 蝸殼掛裝scroll case drain 蝸殼排水琯scroll case vent 蝸殼通氣琯scroll case concrete 蝸殼混凝土 返回 scroll case