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汉语拼音：zhuàn sù

转动物体在单位时间内转动的圈数。通常用每分钟或每秒钟转动的圈数来表示。

1. 转动物体在单位时间内转过的转数。各种机器的转速通常用每分钟的转数来表示。

• Both engines were running at 2500 rpm.

  两个发动机的转速都是每分钟2,500转。

• The engine delivers instant acceleration whatever the revs.

  不论转速如何，发动机都可以立即加速。

• The machine slowed down and stopped.

  机器逐渐减慢了转速,终于停住了.

• Commercial vehicles, coaches and lorries are required by law to be fitted with tachographs.

  法律规定商用车辆、长途汽车和卡车要安装转速计。

• The latest discs, used for small portable computers, spin 3600 times a minute.

  用在小型便携式计算机上的最新光盘转速为每分钟3,600转。

• A governor is added to an engine to control or limit engine speed or road speed.

  为了控制或限制发动机转速或行驶车速,发动机上装有限速器.

• The throttle plate moves toward the closed position as rated speed is reached.

  当达到发动机额定转速时,节流板趋于关闭位置.

• At higher speeds , a larger amount of fuel tends to be discharged from the main nozzle.

  在较高转速时.主喷嘴会喷出大量的燃油.

• This prevents delivery of additional amounts of air - fuel mixture and any further increase in engine speed.

  这样就不会提供更多的空 - 燃混合气,使发动机转速不能再升高.

• For piston - engine - propeller system, the usual fixed - control case implies fixed throttle and constant RPM.

  对于活塞式发动机推进系统, 通常固定操纵情况是指固定油门和转速不变的情况.

• The whole drum rotates at a steady speed of about sixty revolutions per second.

  整个磁鼓大约以每秒60转的恒定转速旋转.

• The other is a small torque motor output, maintain a high speed.

  另一种是要求马达输出小转矩, 保持高转速.

• Imported spindle bearings featuring in high running speed high precision.

  主轴轴承采用进口轴承,高转速,高精度.

• Speed down ratio: output speed compare with input speed.

  减速比: 输入转速与输出转速之比.

• The extended interface of torque and speed instrument with different - range.

  有不同量程转矩转速仪扩展口.