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EurekAlert!
7mon
青藏高原地区夏季陆-气系统热机效率可能全球最高
研究小组定义了大气热机效率指标来表征陆地-空气相互作用的综合能量转换效率,并利用2000-2020年多源数据分析了大气热机效率在青藏高原上的时空 ...
12d
换机油时,怎样才能把油泥尽量放干净?你有什么看法?
- 在发动机热机状态下换机油效果更好。当发动机处于工作温度时,机油的流动性较好,能够更顺畅地流出发动机。同时,热机状态下油泥也会相对软化,更容易被排出。 - 注意在热车换油时要避免被烫伤,等待发动机稍微冷却一些但仍有温度时进行操作。 2.
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