Heron's regulator, Drebbel's thermostat, and Watt's governor bestowed on their vessels a wisp of self-control, sensory awareness, and the awakening of anticipation. 海伦的调节器，德雷贝尔的恒温器，还有瓦特的调控器所给予他们的机器的，是一小束自我控制能力，感官上的醒觉状态，以及对预期能力的唤醒。
The existing auxiliary wind adjustment has a nonideal quick opening characteristic and intense vortex.This paper offered a new design of the controlling valve. 对锅炉配风二次风调节器件进行研究，现有的二次风调节风门具有极不理想的快开特性，另外风门涡流强烈。
