以下为句子列表：
英文: A kind of crank-slider mechanism with flexible counterweight was discussed in this paper.
中文: 摘要探讨一种具有柔性配重的曲柄滑块机构。
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英文: Abstract: In the light of the problems of the air balance system of Model LCJ1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward:(1) ensuring the reliab
中文: 文摘:针对LCJ1250气平衡式链条抽油机存在气平衡故障率高和现场维修困难等问题，提出将气平衡改造成工作可靠的重力平衡的方案，并确定了改造的三个原则：一是保证整机的可靠性，使抽油机运转平稳，振动噪音小，寿命长；二是力求降低生产成本，减少零部件制造，尽可能选用原来的通用件，舍去平衡缸和空气包等气平衡附件，在原往返架主体上悬挂一个配重箱；三是力求不改变冲程、冲次及最大悬点载荷等主要技术参数。
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英文: All adjustments( burner height, burner arm length from the pivot point, counterweight positions along the burner arm) are facilitated by the use of knobs or thumbscrews as the set screws.
中文: 所有调节(燃烧器高度、自枢轴点开始的燃烧器臂长、沿着燃烧器臂的平衡块位置)都利用旋钮或指旋螺钉作为调节螺钉实施。
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英文: But in Russia there was much enthusiastic talk in the pro-government media about SCO's emergence as a counterweight to NATO.
中文: 但是在俄罗斯亲政府的媒体上有许多关于“上合组织”正成为北约（NATO）的平衡力量的热情洋溢的讨论。
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英文: In accordance with principles of constant barycenter and principle of phase difference in theory of vibration, flexible counterweight is added to let the greater part of first ordered inertia force and a part of second inertia force of the slider to obtai
中文: 根据质心不变原理及振动理论中的相位差原理，附加柔性配重使滑块的一阶惯性力的绝大部分及二阶惯性力的一部分得到平衡。
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