Cast iron relief valve in main oil system to control oil pressure to the compressor bearings.

主油路中装有安全阀以控制压缩机轴承中的油压。

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In order to insure the smooth shift, pressure regulating and flow control system is adapted to control oil pressure changing curve of the applying elements.

为了使换档平稳无冲击进行，利用调压系统控制换档结合元件的油压变化规律。

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This system can complete the engine rotational speed and torque high accuracy control and the test, also engine temperature, pressure, oil consumption parameters survey.

本系统能够完成发动机的转速、转矩的高精度控制与测试，以及发动机温度、压力、油耗等指标参数的测量。

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In nineteen thirty-eight, Adair got his first oil-related job with the Otis Pressure Control Company.

VOA: special.2009.03.22

The Kremlin has used its control of oil and gas to assert pressure on former satellites like Georgia and Ukraine.

NPR: Putin Emboldened by Gains in Approval Ratings