径向活动间隙的英文

radial play

• 径向:    radial; radial dir ...
• 活动:    move about; exerci ...
• 间隙:    interval; gap; fre ...

例句与用法

1. The swing check to stop reverse - flow is moounted in the disc - lever with little axial and radial play and held by screw nuts
   用来阻止逆流的旋启式止回阀是安装在阀板拉杆上，有微小的轴向和径向活动间隙，并用调节螺母固定。