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operating life短语⁷⁸²²⁶ 基本例句 工踪命,工作寿命 AC contactors operate much frequently, and dynamic characteristics of actuating mechanism of AC contactor must be researched in order to exceed the specified operating life. 接触器的操作频率很高,为了保证一定的使用时间,需对其操动机构的动态特性进行研究。 cnki The advantages are high efficiency, Low-power consumption, Long operating life, no radiation, environment protective, energy saving and anti-explosion. 具有高效、省电、长寿命、无辐射、环保节能、防爆等优点。 www.hh-led123.35sun.com The reason for the short operating life of infrared touch screen is analyzed in this paper. A new circuit and a new adaptive control means which can regulate the drive current adaptively is given out. 本文分析了现有红外触摸屏寿命较短的原因,提出了一种驱动电流自适应调节的红外触摸屏电路结构以及自适应调节方法,同时给出了坐标归一化计算方法。 cnki Jet element is power and control component to fluid efflux hammer, whose operating life limits the fluid efflux hammer technology to spread and apply. 射流元件是射流式液动锤的动力控制元件,其寿命的长短制约着射流式液动锤钻探技术的推广和应用。 cnki |