Described are the function principles of the spring parking devices in tread braking units produced in our country and in Germany.

对我国及德国生产的踏面制动单元弹簧停车制动器的作用原理进行了介绍。

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The basic idea on the design of the automatic switcher for time comparison is clarified. And its function principles and some particular circuits are introduced.

本文说明了研制这一设备的一些基本思路，介绍了工作原理和主要的特殊电路。

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Via analysis on the structure and function principles of the 120 emergency valve, the cause to bad performance of the 120 emergency valve are found out, and method for solution is given out.

通过对120紧急阀结构及作用原理的分析，找出了120紧急阀性能不良的原因，并提出了解决办法。

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All of them function on similar principles.

NEWYORKER: The Cost Conundrum

For Reagan, the law not only deterred abuse and waste, but was consistent with conservative principles since it essentially privatized a government function and harnessed private sector free market incentives to fight fraud and provide a public good.

FORBES: Celebrating The 150th Birthday Of 'Lincoln's Law': Privatized Fraud Fighting