World-class equipment, including advanced sonar sound machines and sand pumps, will be used for the mission.
此次水下考古工作，将使用到包括声纳系统和沙泵在内的先进仪器。
The conic mechanical seal has been used in sand pumps in oil fields with well performance, long life, low leakage and low power loss.
锥面机械密封已应用在离心砂泵上，经钻井公司使用，效果良好，泄漏量小，寿命长，功耗低。
CYBS series anti sand travelling barrel rod pumps were used on 4 Wells in Wennan Oilfield to test their performance of sand control and slush pumping.
采用CYBS系列动筒式防砂卡抽油泵，在文南油田不同井况的4口井中进行了防砂卡抽泥浆工艺的生产试验。
Clean pumps. Check valves for silt and sand.
清洁泵体，检查阀门是否附着有泥沙。
The utility model is suitable for various oil and gas Wells and water Wells, and can directly do sand anchor operation under pumps.
本实用新型适用于各种油气井和水井，可直接做泵下砂锚。
It will be required to disinfect Wells, sand filters, pumps, and piped water systems.
需要用它来对井、沙过滤器、抽水机以及管输水系统进行消毒。
Pretreatment system generally includes the original pumps, dosing devices, quartz sand filter, activated carbon filter, precision filter and so on.
预处理系统一般包括原水泵、加药装置、石英砂过滤器、活性炭过滤器、精密过滤器等。
Pretreatment system generally includes the original pumps, dosing devices, quartz sand filter, activated carbon filter, precision filter and so on.
预处理系统一般包括原水泵、加药装置、石英砂过滤器、活性炭过滤器、精密过滤器等。
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