Be sure to use proper valve material-types for both temperature and chemical resistance.
确保采用与温度和耐化学性相匹配的材质的阀门。
Be sure to close the valve before sleeping.
在入睡之前，要确认气体阀门一定关闭。
Before performing any maintenance on the valve be sure the pipeline has been depressurized.
在进行阀门维护之前，确保管道已经卸压。
For top efficiency, be sure the proper size valve is used.
为了获得最好的效率，请确保采用最恰当的通径。
Be sure that valve is fully open.
要确保阀门处于开启状态。
Check drain valve to make sure that it is closed.
检验排水阀，确保排水阀处于关闭状态。
Check drain valve to make sure that it is closed.
检验排水阀，确保排水阀处于关闭状态。
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