And now the engineer pulled out the throttle-valve to make up for lost time, and the clatter of the train faded into a distant roar, and its lights began to twinkle into indistinctness.
引擎的节流阀被打开了，火车提速来弥补落下的时间。 铁轨的咔哒声渐行渐远，最后一点光线闪闪烁烁地消失在远处。
Four-stroke engines of this type with this same type of intake valve motion but with a supercharger to make up for the loss of power density are known as Miller cycle engines.
四冲程发动机本与此同进气阀运动类型的类型，但以使增压器的功率损耗密度，这些都是为米勒循环发动机众所周知的。
Presents the balance valve make-up water pressurization method used in substation reformation.
介绍了在换热站改造中采用的平衡阀补水定压方式。
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