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22 mar 1769 ano - 瓦特对纽可门蒸汽机进行了重大改进，在气缸后加上冷凝器，使蒸汽机的热效率大大提高

Adicionado na linha do tempo:

nononos

Bymarialee
17 out 2021
0
0
239

Data:

22 mar 1769 ano
Agora
~ 256 years ago
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