With the regulator adjusting knob turned fully counterclockwise, place both hands on the cylinder valve and open it slowly, allowing the pressure to rise gradually in the regulator.
英
美
- 调整器的调节钮逆时针旋死后,两只手放在钢瓶阀门上,慢慢地开启,使调整器内的压力逐渐增加。