Warning: file_put_contents(): Only 0 of 6268 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 james watt governor例句_james watt governor英汉例句_james watt governor双解例句_魏碑心思朗文词典
James Watt's flyball governor (1769) regulated steam flow to a steam engine to maintain constant engine speed despite a changing load. 1769年瓦特的飛球調速器，它是一種調節蒸汽流的裝置，即使荷載變化仍可保持蒸汽機的轉速不變。 收藏。