first gear
英 [fɜːst ɡɪə(r)]
美 [fɜːrst ɡɪr]
第一速度（头档）齿轮
英英释义
noun
双语例句
- More torque can be sent to the wheels in first gear than in fifth gear because first gear has a larger gear-ratio by which to multiply the torque.
一档变速传给车轮的转矩比五档传出的转矩大，因为一档变速有大的传动比，而大的降速比则加大了驱动力矩。 - Use first gear on steep hills.
用第一档爬上陡峭的小山。 - This article is a summary of the study and manufacturing of the first high parameter gear pump in China.
聚合物熔体输送增压用高参数齿轮泵的研究制造是齿轮泵技术发展的一个重要方面。 - "Settle into the driver's seat, fasten the seat belt, shift into first gear and put your foot on the accelerator, push down the handbrake*"
坐上驾驶座，系好安全带，挂一挡，脚放在油门上，放下手刹 - To shift from first to high gear, the band is released and the clutch is applied causing the output shaft to turn at the same speed as the input shaft.
如果从一档换至高速档，制动带松开，离合器接合，则输出轴和输入轴同速同向旋转。 - When the gear reducer is required to shutdown under normal condition, first stop gear reducer before lubricating station.
当减速机在正常情况下停止运行时，应该先停减速机，后停润滑站。 - But he is still stuck in first gear, and the jury's still out on whether the coaching staff will ever be able to push him into second and beyond.
但是，现在他的水平仍然处于低档一级，评审员对他能否经过调教上升到二级或更高水平仍保持疑问。 - Throughout President Obama's time in office, the economy's hardly shifted out of first gear despite all those billions in stimulus spending.
尽管有几十亿美元的经济刺激计划，但在奥巴马任职总统期间，经济增长速度都非常缓慢。 - Engage first gear and firmly apply the handbrake.
挂入一档并牢牢地拉好手制动器。 - Go up the hill in first gear.
挂一挡上山坡。