The pulley width and speed control is handled by a high / low pressure regulator. 滑轮的宽度和速度控制是通过高/低压力调整器来控制。
For a central gas installation, one oxygen and acetylene outlet station in the workshop, complete with low pressure regulator, pressure gauges and backfire valves. 低压布置在工作间,主要设备包括低压减压阀,压力表和回火器。
Oil-operated voltage regulator low pressure cylinder regulator 油压操作电压调整器低压石油气瓶调压器