说明安全装置及其连接的电路正常。
Description of the safety device and its connection to the circuit is normal.
多重安全保护电路设计。
为确保机车安全可靠地运行，提出了加装故障励磁电路的建议。
The proposal for installing failure excitation circuit is given to guarantee safe operation.
为了能使系统获得安全稳定运行的条件，又增加了系统电路保护自锁单元。
In order to obtain the stable operation condition, there is also increased protection self-locking unit.
文中介绍了它的主要参数、电路原理、安全保护以及试验效果。
Main parameters, circuit principle, safety and experimental results are given.
船艇消防安全监测系统设计由硬件电路设计和系统软件设计两部分组成。
Ships monitoring system for fire safety consists of hardware design and system software design.
电路双重保险保护，使用安全可靠。
每个电路都单独装有保险丝，保证系统的完整性和安全性。
Each circuit is individually fused for system integrity and safety.
每个电路都单独装有保险丝，保证系统的完整性和安全性。
Each circuit is individually fused for system integrity and safety.
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