过分自信
发表于 2025-3-25 06:32:29
6楼
commodity
发表于 2025-3-25 08:19:11
6楼
强行引入
发表于 2025-3-25 12:56:34
6楼
Implicit
发表于 2025-3-25 18:22:07
6楼
jagged
发表于 2025-3-25 23:32:23
7楼
Decibel
发表于 2025-3-26 02:26:46
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单调性
发表于 2025-3-26 07:30:31
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多嘴多舌
发表于 2025-3-26 08:41:29
http://reply.papertrans.cn/36/3516/351555/351555_28.png
钩针织物
发表于 2025-3-26 16:02:15
http://reply.papertrans.cn/36/3516/351555/351555_29.png
波动
发表于 2025-3-26 18:05:22
Open Systems,r surroundings. Figure 9.1 shows a generic . with two inflows and two outflows. In the following, and in the figure, the amount of mass exchanged per unit time, the mass transfer rate or mass flow, is denoted by ṁ. The system also exchanges propeller and piston work, .. + .., and heat, ..+ .., with