1)tensioner movement,张紧器的运动2)nervousness in sports,运动性紧张3)turgor movement,紧张性运动4)automatic tensioner,自动张紧器5)Nervous and excited.,紧张的，激动的6)brake tension,制动器张紧力
用法和例句
This paper mainly introduces the structure and the working principle of the automatic tensioner in detail.