短语词组短语surface compactor 表面夯实机kneading compactor [机]揉压机;揉和机tired compactor 胶轮压实机trench compactor 管沟夯实机compactor switch 碾压机开关percussive compactor 冲击压实compactor granulation 挤压造粒frog compactor 蛙式夯实机compactor tire 压路机轮胎 返回 compactor