躲债
发表于 2025-3-30 08:52:24
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EVEN
发表于 2025-3-30 13:36:02
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真
发表于 2025-3-30 20:07:12
Introduction,progress and general welfare is lacking. The energy consumption per capita in a country is thus an indicator of its state of technical development, exhibiting differences of more than two orders of magnitude between highly industrialised and not yet developed countries.
附录
发表于 2025-3-30 23:22:08
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背心
发表于 2025-3-31 02:37:16
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丰富
发表于 2025-3-31 08:13:40
Control of a Separately Excited DC Machine,is discussion is now extended by considering the machine as part of a feedback control system. The reason for this is that in practice the choice of a DC drive is normally motivated by the possibility of operating over a wide speed range with low losses and matching the behaviour of the motor to the
commensurate
发表于 2025-3-31 11:57:38
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engrossed
发表于 2025-3-31 13:57:42
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向外才掩饰
发表于 2025-3-31 19:48:21
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