inertia reel meaning in Chinese

惯性卷筒
惯性卷轴

If you have inertia reel belts , check that the unused webbing goes back into the reel easily
如果你用的是惯性卷轴式安全带，便要检查未使用的部分能否轻易滑回卷筒中。
All persons working from an unprotected edge ( no mid rail ) are required to wear a space harness and be attached to a inertia reel
在无保护边缘处（没有中间拦杆）工作的所有人员都要求系上高空安全带，并且要连在. . . . . ？