The guide rule and general plan to design a laboratorial test stand for drill pump valves are expounded, and the regulation and calculation of the system pressure of the stand are discussed.

系统地阐述了钻井泵泵阀试验台的设计指导思想和设计方案的确定依据，并介绍了试验台系统压力的调节方法和计算公式。

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But experts do agree on this rule of thumb: Use your car manual as your guide.

但是专家却同意这样一条规则：让你的汽车使用说明书做你的向导。

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The Fed has no fixed anchor: there is no rule to guide it, only discretion.

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Finalized terms will be put in place by Jan. 2, 2011, in accordance with an implementing "Tailoring Rule" to guide state-level permitting authorities.

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They are already being cursed in certain spots around the league as the team that created a guide for maneuvering around (circumventing, some would say) the 30% rule with t he contract for linebacker Patrick Willis.

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