1·The needle on the rev counter soared.
转速计的指针猛升。
—— 《牛津词典》
2·Aerogine has the features of high rev, heavy air flux and high exhaust temperature, fierceness of noise engenders environment pollution largely during aeroengine test.
由于航空发动机转速高，空气流量大，排气温度高，试车时产生的强烈噪声形成大范围的环境污染；
3·Many cars have a "shift Light" or indications on the speedometer that will tell you when you need to shift so you don't rev the engine too fast.
许多车在速度表上有“换挡指示灯”或标识，提示您什么时候应该换挡，别让引擎转速过高。
4·The friction coefficient is decreased with brake pressure increasing for constant initial rev and also decreased with initial rev increasing.
当初始转速恒定时，摩擦系数随刹车压力的增大而减小；
5·A high-capacity axial-flow pump mated to the powerful 635 cm3 2-stroke Twin delivered tremendous thrust across the rev range.
高容量轴流泵配备强大的635立方厘米2冲程双人整个转速范围内提供了巨大的推力。