Pumping means 36 that are not shown in detail are immersed in the ballast 34.
未详细示出的泵送装置36浸没在压载物34中。
The aquifers range from 1,000 to 3,000 feet below the ground, which means that pumping will be expensive and there are other concerns.
地下含水层位于地下1000到3000英尺之间，这意味着抽水成本很高，还有其他接踵而来的问题。
Pumping clean water into villages and slums, and encouraging hand-washing is considered one of the most efficient means of reducing infant mortality.
我们把清洁的用水引入村庄或者贫民窟，并且鼓励洗手并认为这是减少婴儿致死率最有效的方法之一。
Involving farmer groupings in the management of the new pumping and water control systems means that water gets to the right field at the right time, thus boosting crop yields and farmers' incomes.
让农民分组参与管理新的抽水和水控制系统意味着可以让水在确定的时间流入确定的农田，从而提高作物的产量和农民的收入。
It's cosmetic stuff, but it means they're doing more than just pumping out new maps.
那都是化妆品，但也证明了他们不只是做几张新的地图来敷衍。
And that means everywhere you are still pumping more water into it.
所以在各点处，都还是需要一个水泵。
Where ground water is encountered, it shall be kept below the pipe by means of pumping until the pipe has been satisfactorily tested and backfilled.
如地下水中遇到的，它应保持低于管的方式抽水，直到管道已得到令人满意的测试，并回填。
Recent electronic means of pumping using low temperature sorption techniques and getter-ion pumps have been introduced.
现在已经采用了低温吸附技术和吸气离子泵的近代电子抽气设备。
Basic parameter database of rod pumping system is built, the access to database by means of program is accomplished.
建立了有杆抽油系统基本参数数据库，并实现了对数据库的程序访问。
At present, heavy oil or extra heavy oil is produced by means of thermal oil recovery or rod pumping, which are low efficient, energy consuming and short in production life.
目前，稠油或特稠油一般采用热力及有杆泵进行开采，这种生产方式效率低、能源消耗大，且设备运行寿命短。
This paper is based on the theory of gas dynamics, by means of improving the first nozzle of diffusion pump in order to increase the pumping speed of diffusion pump are reported in the paper.
本文以气体动力学理论为基础，论述了如何通过改进扩散泵的第一级喷咀来提高扩散泵的抽气速率。
The safety reliability and system risk estimation formula of electric pumping system are established by means of the safety systematic engineering method.
按照安全系统工程法，建立了电泵系统的安全可靠度以及系统风险评价的量化公式。
The optimal operation plan of cascade pumping stations is solved by means of decomposition-coordination model.
本文采用大系统分解-协调模型，对梯级泵站联合运行时的优化方案进行了求解。
The counterbalance effect of a pumping unit can be analyzed and adjusted trustworthily by means of the power curve method.
利用功率曲线法能可靠地分析、判断抽油机的平衡状况。
The means of the water injection in coal seam with rockburst tendentiousness can improve the state of coal brittleness increase due to gas-pumping, and rockburst danger may be reduced.
在有冲击地压危险倾向的采区，采用煤层注水措施，改善因瓦斯抽放造成的煤体脆性度增加的状况，可以降低冲击地压危险。
The means of the water injection in coal seam with rockburst tendentiousness can improve the state of coal brittleness increase due to gas-pumping, and rockburst danger may be reduced.
在有冲击地压危险倾向的采区，采用煤层注水措施，改善因瓦斯抽放造成的煤体脆性度增加的状况，可以降低冲击地压危险。
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