英德
有道
百度
谷歌
图片
维基
百科
井下设备 [jǐng xià shè bèi]
underground equipment
- 油井出砂对地面设备和井下设备带来极大的危害。
Sand production of an oil well does great harm to the surface and downhole pumping equipment. - 有杆泵井中的腐蚀和磨损，造成油井的井下设备损坏，严重影响油井的正常生产。
The corrosion and wear of rod pump well cause the damage of downhole equipment and seriously affect the normal production of oil well. - 因而，如何提高井下设备治理，提高设备技术水平，对降低生产成本，提高企业经济效益具有十分重要的意义。
Consequently, how to raise a well to set equipment government, raise equipment technology level, to reducing manufacturing cost, raise company economic benefits to have very important sense.
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