基本解释[機械工程]滑移膨脹接頭词组短语短語slip type expansion joint 填函式補償器;填函式賠償器;填函補償器;填函式觝償器slip -type expansion joint 套筒式漲縮器gland packed expansion slip joint 填壓伸縮接頭专业释义機械工程滑移膨脹接頭