常见例句双语例句James Watt's flyball governor (1769) regulated steam flow to a steam engine to maintain constant engine speed despite a changing load.1769年瓦特的飞球调速器，它是一种调节蒸汽流的装置，即使荷载变化仍可保持蒸汽机的转速不变。 收藏。 返回 james watt governor