With the gradual increase in capacity, the intermittent discharge of purge gas from the ammonia system is changed to stable discharge.
随着生产能力的逐步提高，合成氨系统排放的吹除气由间歇排放改为稳定排放。
If analytical equipment is available, purge system until oxygen content of residual gas is either less than or meets the process specification impurity level.
如果有分析仪器的话，一直净化设备，直到残留气体的氧含量或者低于或者满足工艺规范的纯度级别。
If a leak develops in a customer system, close the cylinder valve and vent residual product, and purge the lines with inert gas before attempting repairs.
如果在用户的系统里发生了泄露，关闭阀门并排出残余产品。在试图修理之前，用惰性气体净化管道。
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