A new double action oil well pump, which has been progressed field experiment, is discussed on its structure, principle and characteristics here.
对一种新型双作用抽油泵的结构、工作原理、技术特点进行了研制并进行了现场试验。
Water hydraulic drive system has some advantages of oil hydraulic transmission such as large power, high efficiency and compact structure as well as the unique advantage of environment-protection.
水压驱动系统既保持了油压传动传递动力大、效率高和元件体积小的优点,又兼有环保的积极作用。
The paper mainly introduced a new MEMS sensor of oil exploration, characters of MEMS sensor structure, medium material and sealed form as well as already reached technical indexes.
本文主要介绍了一种新的石油勘探MEMS传感器的结构特点、介质材料以及封装方式,并详细地介绍了该产品的主要技术指标。
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