The paper presents the development of intelligent control unit of DC air breaker.

本文介绍了一种新研制的直流空气断路器智能化测控单元。

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Familiar with low-voltage electrical apparatus like relay, contact, air breaker, etc.

熟悉继电器、触器和空气短路器等低压电器产品。

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Air circuit breaker An air circuit breaker automatically interrupts the current flowing through it when the current exceeds the trip rating of the breaker.

空气线路断路器空气线路断路器的功能是当电流大小超过断路器的过流跳脱设定值后自动断开。

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Dive into the crowd at MacWorld gathered around Apple's latest product, the MacBook Air, and they'll quickly point out what could be the wafer-thin machines biggest flaw: Users can't swap in fresh batteries. (See: " Into Thin (MacBook) Air") That could be a deal-breaker for road warriors looking for a lightweight notebook.

FORBES: What Bugs Apple Fans