打开安全杆 Open Safety Bar
打开过顶安全杆 Open Overhead Safety Bar
关上安全杆 Close safety bar
关上过顶安全杆 Close overhead safety bar
安全抓杆 grab bar
杠杆安全阀 lever safety valve
杠杆式安全阀 deadweight safety valve ; [机] lever safety valve ; lever and weight loaded safety valve ; weighted lever safety valve
单杆安全阀 single-lever relief valve
方钻杆安全阀 kelly safety valve
纽约各地的地铁放置着杠铃，让抓着安全杆看起来好像是在举重。
Heavy weights were placed at various subways in New York City, which creates an illusion that the person holding the safety bar is doing weights.
当要求进入电梯底坑的时候，必须首先打开控制柜中主开关IG，然后把安全杆转到工作位置；
When entering the elevator pit is required, firstly turn on the main switch IG in the control cabinet, and then switch the safety rod to the working position;
与戈尔僵尸，这未必是真实的，一两杆的刀，往往是最安全的方式（如你扫射刀混淆）。
With Gore zombies, this isn't necessarily true, a couple of knife shots can often be the safest way (strafe as you knife to confuse it).
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