基本解释[医药科学]滑动连结体词组短语短语straight handpiece for slip -joint connection 滑节连接体用直形机头right angles for slip -joint connection 滑节连接体用直角机头contra angles for slip -joint connection 滑节连接体用反角机头slip-joint connection更多词组专业释义医药科学滑动连结体