closing speed

基本解釋

Speed Control Valves are available for controlling valve opening or closing speed with pneumatic actuators.
速度控制閥可以用來(lái)控制閥門氣動(dòng)執(zhí)行器的開(kāi)啟或關(guān)閉速度。
Industrial Swing Check models can be fitted with an optional counter balance device to further control closing speed.
工業(yè)旋啟式止回閥系列可以配置反平衡裝置來(lái)進(jìn)一步控制關(guān)閉速度。
The higher the closing speed of two aircraft heading towards each other, the bigger the PAZ required, because the pilot needs more time to react to a warning.
兩架相向飛行的飛機(jī)速度越高，所要求的“保護(hù)空域”越大，因?yàn)轱w行員需要更多的時(shí)間對(duì)預(yù)警做出反應(yīng)。

Now, at the closing speed, the headlights on, I would've had a hard time telling the color of the vehicle, let alone the driver.
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