Turning adjustment screw to change the height of the trap door open in order to adjust the volume of high-pressure gas through the pressure to achieve the required value.
转动调节螺杆，改变活门开启的高度，从而调节高压气体的通过量并达到所需的压力值。
Turning adjustment screw to change the height of the trap door open in order to adjust the volume of high-pressure gas through the pressure to achieve the required value.
转动调节螺杆，改变活门开启的高度，从而调节高压气体的通过量并达到所需的压力值。
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