以下为句子列表：
英文: A device consisting of fixed and moving parts that modifies mechanical energy and transmits it in a more useful form.
中文: 机床一个由固定和可移动部件组成的装置，可以把机械能转化为其他更为有用的形式
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英文: As friction is always present, it naturally causes losses in all types of machines, since because of friction; part of useful mechanical energy is lost in the form of useless heat.
中文: 由于摩擦总是存在，所以很自然，部分有用的机械能会因摩擦以无用的热的形式失去，所以摩擦使所有的机器均产生（能量）损失。
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英文: CD (Y) automatically hammer is electric or hydraulic change in the makeup of mechanical energy and the external piling machinery.
中文: 型自动打桩锤是一种将电能或液压能转变为机械能而对外做功的打桩锤。
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英文: CHINEN has strong capacity in product designing and developing, capable of designing and producing various types of industrial turbines and power generation turbines with the optimal thermal-electrical-mechanical energy configuration, which is based on th
中文: 杭州中能汽轮动力有限公司，具有较强的产品设计、开发能力，能根据用户的各种需求，设计、制造各种类型的工业及发电用汽轮机，寻求热能、电能、机械能之间的最佳组合。
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英文: Efficiency (EFF) Efficiency is the ratio of energy output to energy input, such as the ratio between the electrical energy input to a motor and the mechanical energy output at the shaft of the motor.
中文: 效率效率是输出能量与输入能量的比率，例如输入到电动机的电能与电机轴承输出的机械能的之间的比率。
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