保持回路管道阀门处于关闭状态直到疏水阀充满冷凝物为止。慢慢开启阀门。
Keep return piping valve closed until trap fills with condensate. Slowly open valve.
阀门注满后，慢慢开启下游关闭阀对水供应系统注水。
When valve is filled, open the downstream shutoff slowly and fill the water supply system.
在钢瓶已经连接到过程后，慢慢地仔细地开启钢瓶阀门。
Open cylinder valves slowly and carefully after the cylinder has been connected to the process.
慢慢开启上游并向阀门注水。
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。
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.
总是慢慢地开启二氧化碳钢瓶阀门。
总是慢慢地开启钢瓶阀门。
总是慢慢地开启钢瓶阀门。
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