Warning: file_put_contents(/www/wwwroot/ppbbu/cp667.com/cache/aed3e5a2353e8d1a2403d6f749dde95a.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/cp667.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_淳朴汉英词典
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。