Utilizemitsubishi(MITSUBISHI) PLC programmable controller centralized controled, with each transmission line configurating of SICK proximity switches, pressure Lever device.

采用三菱（MITSUBISHI）PLC可编程控器集中控制，每段输送线配施克（SICK）接近开关、压力杠杆装置各一套。

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Returning the lever to its normal position releases the tension on the rod permitting the valve to maintain normal system pressure.

将手柄恢复到正常位置，则“压杆”上的压力就得到缓解，使得调节阀能够保持正常的系统压力。

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In the late 1940s a company founded by Achille Gaggia produced an espresso-maker that used a lever to force boiling water through the coffee at high pressure.

到18世纪40年代后期，Achille Gaggia的公司生产出一种意式咖啡机器，它能用一根杠杆让热水在高压下直接通过咖啡。

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WASHINGTON The Obama administration, seeking to pressure the Egyptian government into an orderly political transition, has one big lever: Billions of dollars in U.S. economic and military aid.

WSJ: Withholding U.S. Aid Carries Some Risks