减压区总成必须按照当地有关规定定期检查和测试，以确保这种装置内的止回阀能够正常运行。

Reduced Pressure Zone Assemblies must be inspected and tested periodically, in accordance with local codes, to ensure proper operation of check valves within the unit.

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针对烧结作业区上料行车经常出现的故障进行分析并作相应的处理，提高行车的工作效率，保证生产的正常运行。

Based on analyzing common faults of charging overhead crane and making improvement, work efficiency of overhead crane has been increased and normal production is ensured.

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做好处在多雷暴区机场导航台的雷电防护，是确保导航台设备运行正常，保障飞行安全的重要一环。

So it is very important for us to protect the thunder and lightning in the navigating station of airport, which can make the equipments circulate normally and insure the safety of flying.

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