- 推荐网络例句
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Growth and change are the law of all life.
生长和改变是所有生命的规则。
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After the tests, stearic acid, as a better phase change material, was chosen to be used in the structural design of electric water heaters.
之后，利用前面试验中筛选出的性能较优的硬脂酸作为相变材料，设计了一种相变蓄能电热水器蓄热装置。
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It has been found that friction and wear rate of chromium oxide coating can be effectively decreased by water lubrication because of the change of the main wear mechanisms caused by water lubrication.
结果表明：水润滑可以有效地降低氧化铬陶瓷薄膜的摩擦系数和磨损率，主要原因是水引起主导磨损机制发生变化。
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