Air in the system can prevent proper circulation of water and may cause noisy operation.

系统内的空气可能妨碍水的正常循环，可能导致运行噪声发生。

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Moreover, the system can also be used to improve the safe operation level of the transmission lines and to prevent the catastrophic fault due to excessively heavy loading.

此外，该系统还可以提高输电线路的安全运行水平、防止线路负荷过大造成灾变性事故的发生。

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The system make it easy for the substation operator and maintenance personnel to control grounding status of field, and to prevent the occurrence of security incidents of living mal-operation.

该系统可便于变电站运行人员、检修人员在进行操作和检修作业时对现场接地状态的掌控，防止发生带电误操作的安全事故。

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To prevent teams from manipulating the system, developed by Freescale Semiconductor and McLaren Electronic Systems, NASCAR will restrict operation with a special code.

FORBES: NASCAR Gets Greener