Tanker tonnage identified, conception of engine horsepower size, best matched with tank tonnage, carrying big, small engine, oil transport vehicle back force.

罐车吨位确定了，就要构思发动机的马力大小，最好跟油罐吨位匹配了，承载大了，发动机小，油品运输车辆背力。

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Making use of the rig general detecting laboratory to test the deferent maximal feeding force and drawing back force of drill rig, the validity of theoretic accounting value are analyzed in the paper.

利用钻机综合检测实验台测试成品钻机的输出最大给进力和起拔力来检验理论计算结果的正确性。

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We believe that a force of about one hundred pounds was needed to pull the string all the way back on a long bow.

我们认为，拉动长弓上的弓弦大约需要100磅的力。

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The War Department sent General George Crook to punish the Indians and force them back to their reservation.

VOA: special.2010.04.08

Whenever there is a force, it can be traced back to a tangible material cause, which is all the time a force of contact, with the exception of gravity.

如果有作用力,那它一定能找到一个明确的实体施力物体,也就是无论何时物体受的都是接触力,引力除外

耶鲁公开课 - 基础物理课程节选

If the Union force attacked before Stonewall Jackson got into position, Lee could not possibly hold it back.

VOA: special.2009.10.15

One would be to get Taiwan back by force, with consequences that are almost unthinkable.

ECONOMIST: All eyes on China

I'm not going to slow down, stop, sit back and force my grandchildren to go to war.

FORBES: Magazine Article

That requirement was back in force yesterday as part of rules on what travelers can carry onto airplanes.

NPR: U.S. Clarifies Security Rules for Air Travel