The paper describes commonly used safety circuits in nc machines, and emphatically analyzes the working principles of some.

本文介绍了数控设备中广泛使用的各种安全电路，并对其中几种的工作原理进行了重点分析。

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Test continuity of circuits using test equipment to ensure compatibility and safety of system, following installation, replacement or repair.

使用测试设备测试电路的连续性，以确保系统的兼容性和安全性，随后进行安装，更换或维修。

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In the design, the functional circuits are made into module circuit, and the emergency power and airway can also be increased to improve the safety and emergency of car greatly.

设计中将上述功能电路制成模块电路板，同时增加一应急电源和应急气道，大大提高车门的安全性与应急性。

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On the car safety side they have done a good job and they are really trying to bring a lot of the circuits that we run on up to the standards of the cars.

BBC: Your questions to Gil de Ferran