The new model is a first-order ordinary differential equation group for the fluid pressure in the cylinder...
该方程是关于液缸内液体压力、泵阀升程与泵阀运动速度的一阶常微分方程组。
When returning empty cylinders, close the valve before shipment. Leave some positive pressure in the cylinder.
返还空瓶时，在运输之前关闭阀门，使钢瓶内部保持 正压 。
Safety bolt is set on the valve body, when the pressure in the cylinder is too high, safety diaphragm will burst automatically to ensure the safety accident cases, for the safety of the bottle.
瓶阀体上设安全螺栓，当气瓶内压力过高时，安全膜片将自动爆破泄压以确保意外情况下瓶的安全。
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