多重安全保护电路设计。

The circuit design is that multiple safety protection.

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采用安全可靠的航天接头，充分保护电路的稳定性。整并的电路系统，不但安装简易而且维护方便。

Adopts safety and reliable spaceflight joint, sufficient protects the stability of the circuit. The whole circuit system, not only easy to install but also maintenance is convenient.

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故在电路中起着自动调节、安全保护、转换电路等作用。

So it should play a role in automatic adjustment, safety protection, conversion circuit.

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