冲洗

A hydraulic self-sealed swab bing wellhead assembly with anticollision crown;2. An economical and safe casing swab bing tool;3. If sand is not sunk, by operation of swab to build a different pressure between up and down of sunk sand to form a de- terminate pressure stir makes the sand to sink to reach the objective of unstuck.

冲管解卡工艺是将小直径的管柱下入到油管中，在油管中建立液流的循环通道，利用该通道把砂子带到地面，一直冲洗到人工井底，给油管外的砂子下沉留有一定的口袋；若砂子不下沉，可以通过抽汲在沉砂上下建立压差，形成一定的压力激动，使砂子下沉，达到油管解卡的目的。

In the commonly used positive cycle of drilling, the mud pump is to rinse the surface with water medium ─﹑ mud or polymer washing fluid at a certain pressure, through the high-pressure hose taps and drill column ﹑ center hole in the bottom of the direct-drill in order to achieve Cooling ﹑ be cutting down the drill cuttings removal and transport to the surface purpose.

在常用的正循环钻探中﹐泥浆泵是将地表冲洗介质─清水﹑泥浆或聚合物冲洗液在一定的压力下﹐经过高压软管﹑水龙头及钻杆柱中心孔直送钻头的底端﹐以达到冷却钻头﹑将切削下来的岩屑清除并输送到地表的目的。

Forty minutes and eighty minutes are needed for the filter chamber filled with sand to recover the ability of Fe and Mn removal after backwash.

反冲洗之后，河砂滤柱对铁和锰的去除能力需要40 min和80min才能完全恢复；锰砂滤柱对铁、锰的去除能力需要20 min和40 min才能完全恢复。

The methods for calculating the diameter of safety pin, fit clearance between the sleeve and hole in the planetary gear, and the quantity of the lubricants filled in the gear mechanism are presented.

供料系统根据钻井液密度的变化对钻井液流量的控制，电控系统在启动和停机时的程序控制，以及停机时的自动冲洗，都将直接影响整机的使用性能。

Soil near the surface and eventually reached bedrock, the hardened lava of the Columbia Plateau.

洪水冲洗掉地表附近松软的风化土，最终到达了岩床，哥伦比亚高原上坚硬的火山岩。

The waters scoured off the soft, windblown soil near the surface and eventually reached bedrock, the hardened lava of the Columbia Plateau.

洪水冲洗掉地表附近松软的风化土，最终到达了岩床，哥伦比亚高原上坚硬的火山岩。

On the basis of tidal bedding,herringbone cross-bedding,flush cross bedding and plenty of shells,it has been identified that the sedimentary environment of the study area is of tidal flat environment.

根据岩心中的潮汐层理、羽状交错层理、冲洗交错层理、具有大量贝壳等特征，识别研究区具有潮坪沉积环境。

Washing the water meter, after the cock drain water, close cock, see if the water level back to normal, if not, examine the system and check cock if it was air-logged.

冲洗水位计，并观察考克排水后，关闭考克后，水位能否恢复正常。如有异常现象，立即检查系统及考克有否堵塞。

Condensate as well as the wash water for the GGH is drained through the corresponding drain system into the absorber pit.

凝结水通常为烟气换热器的冲洗水，它们被烟道疏水系统排至吸收塔排水坑。

GW pipeline installation of sewage pump convenience, can be widely used for general high-rise building pipelines to pump pressurized water use, while transmission fiber containing particles of sewage, in addition to convey sewage, also applies to a drain pump, filter Rinse cycle of condensate pump, and so on.

GW管道型排污泵按装方便，用途广泛即可作一般管道泵为高层建筑加压送水之用，又可输送含有颗粒纤维污水，除适用输送污水外，还适用于作疏水泵，过滤冲洗冷凝循环泵等。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。