Annual inspection of all safety and control valves is required and necessary. Regular inspection, testing and cleaning assures maximum life and proper product function.
要求而且有必要每年一次检查所有安全阀和控制阀。定期检查、测试和清洗能够保证最长的使用寿命和正常的产品功能。
Annual inspection of all water system safety and control valves is required and necessary. Regular inspection, testing and cleaning assures maximum life and proper product function.
所有水系统安全阀和控制阀都需要也必须进行年度检查。定期检查、检测和清洗能够确保使用寿命最长和产品性能正常。
Automobile hydraulic assistance steering gear is a kind of important parts, so it is necessary for comprehensive function examination which is directly related to life property safety of people.
汽车转向器作为汽车的重要零部件，其综合性能检测直接关系到人民的生命财产安全。
Therefore it is necessary to perfect the existing relay equipment based on the rule of fault-safety in order to achieve the function of railway signal computer-based interlocking control system.
操作表示机是计算机联锁系统中关键的人机界面设备，硬件上利用继电器组成的逻辑电路，实现双机热备的倒机逻辑控制和设备接口电缆的动态切换。
Therefore it is necessary to perfect the existing relay equipment based on the rule of fault-safety in order to achieve the function of railway signal computer-based interlocking control system.
操作表示机是计算机联锁系统中关键的人机界面设备，硬件上利用继电器组成的逻辑电路，实现双机热备的倒机逻辑控制和设备接口电缆的动态切换。
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