具备管道安全阀使用知识和维护经验者。
Operation knowledge and maintenance experience of pipeline safety valve.
切记工人须按正规操作，经常检查压力表、报警器、安全阀管道畅通。
Workers shall operate normally and check pressure gauges, alarm and safety valve pipe flow regular.
切记工人须按正规操作，经常检查压力表、报警器、安全阀管道畅通。
Workers shall operate normally and check pressure gauges, alarm and safety valve pipe flow regular.
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