For the case of operation of single pump-set, the model of water requirement forecast is given.

对于泵站单独运行的情况，给出了用水量的预报模型。

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All hydraulic load sensing steering that supplies oil on demand preferentially and valve working hydraulic system of single pump priority are economic and energy-saving.

优先按需供油的全液压负荷传感转向及单泵优先阀门工作液压系统，经济节能。

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The transmission ratio of manual variable single-pump single-motor hydraulic transformer is not accurate. To avoid the problem, the single-pump multi-motors hydraulic transformer is proposed.

针对单泵单马达液压变速器手动变量传动比不准确的问题，提出了单泵多马达液压变速器。

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And that, despite claims that this would somehow -- this pipeline would somehow solve the pain that families are feeling at the pump today, the company itself has said it would take years before a single drop of oil would flow through that pipeline.

WHITEHOUSE: Press Briefing

Bacteria learned to get around macrolides in two ways: Either they would make a single genetic change to the proteins to which the macrolides bind, or they would absorb the drug but then pump it out.

FORBES: FDA OKs Aventis Antibiotic

Either the bugs would make a single genetic change to the proteins to which the macrolides bind, or the bacteria would absorb the drug but then pump it out before it could work.

FORBES: Antibiotic Breakthroughs Fall Short