Due to need for the development of portable motor meter assembly checking box, a kind of frequency signal generator is designed, detailed design principle and idea are discussed.
针对“便携式汽车仪表总成校验箱”系统的开发需要，设计了一种用于汽车电子转速表、里程表校验的频率信号发生器，论述了电路的设计原理和设计思想。
The 1, 172-meter-long and 30.35-meter-wide main section of the bridge features a two-way six-lane motor traffic with a two-meter-wide sidewalk flanked on each side.
大桥全长 1,172米，桥宽 30.35 米，桥上设有双向六车道，两边还各有一 条宽两米的人行道。
Digital ampere meter showing load in percent of Max load of drive motor.
数字电流表以最大载荷百分比的方式显示了实际载荷的大小。
Clock motor operated running time meter furnished for each motor and actuated by motor starter auxiliary contacts.
每台电机均配置电钟电机运行计时器，由电机启动器辅助接点驱动。 收藏。
The monitor instrument has been specifically designed for calibrating the electronic rotational velocity meter of automobile and motor during manufacture.
电子转速表校验仪是为汽车、摩托车电子转速表在生产过程中校表工序而专门设计的仪器。
The driving component is a step motor, the submicro-meter accuracy is obtained from the adoption of the flexible hinge and elastic element as a guide rail.
该机构用步进电机驱动，柔性铰链和弹性平板作为传动导向机构，可以实现纳米级的运动分辨率。
The main flux of asynchronous motor varies with the power voltage and the para-meter of excited inductance becomes a variable.
电源电压变化时，异步电动机主磁通随之变化，与之相应的激磁电感参数将是一个变数。
First close the plug of a vacuum or pressure meter, if so mounted on the pump, connected to the pump before starting the motor and then open it when the motor move in the normal speed;
如果泵上装有真空表或压力表，要关闭其与泵相连接的旋塞再启动电动机，待转速正常后再打开；
First close the plug of a vacuum or pressure meter, if so mounted on the pump, connected to the pump before starting the motor and then open it when the motor move in the normal speed;
如果泵上装有真空表或压力表，要关闭其与泵相连接的旋塞再启动电动机，待转速正常后再打开；
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