调速

Figure 5-16 of the two control valve in parallel to achieve for access by the valve.

图5-16中的两个调速阀并联，由换向阀实现换接。

The paper analyzed the problems existing in trational double closed_loop bunch_rank speed-control system, and pointed out the influence on performance of system caused by nonlinear parameter with timing variety.

从理论上分析了传统的双闭环串级调速系统中存在的问题，指出了系统中非线性时变参数对系统性能的影响。

In order to made up the present imperfection in unit velocity modulation and logical control of domestic cableway, this parer proposes a new project for the electricity control system of Zhougongzhai cableway. This project adopts a full digital current changer and PLC, with optical fibre instead of multi-line cable.

为了弥补目前国内缆机在机组调速和逻辑控制方面存在的一些缺憾，本文对周公宅缆索起重机的电气控制系统项目提出了一种新的方案，该项目采用了全数字直流变流器加 PLC 的技术，并采用光纤代替多芯电缆。

The significance of the timing pump will be explained later when illustrating the importance of time temperature relationships in pasteurization.

调速泵的重要性将在证明巴氏杀菌中时间温度的关系时证明。

As indicated, the timing pump is a critical component of the pasteurization system.

如前所述，调速泵是巴氏杀菌设备中关键的组成部分

Many companies and research organizations have already begun to develop the hydraulic turbine governor on the basis of PCC.

本文所做的研究是在PCC上开发水轮机调速器的控制软件。

Comprising of motor mount, motor plate and battery cases the system still needs you to get the electrics to power it for which Speed Passion offer their Silver Arrow V10 electric motors and electronic speed controller.

组成的机动装载，汽车板和电池的情况下，系统仍然需要你获得电气以权力为高速激情提供银箭V10发动机和电动马达电子调速控制器。

Power of the lathe, and rigid, and a wide range of spindle speed for a strong or high-speed cutting can be turned face, cylindrical, inner hole, as well as the metric system, English, modulus, diametral pitch a variety of threads, and bear the drilling, sets of materials, technology, etc. Boring.

本车床功率大，刚性强、主轴调速范围广，适用于强力或高速切削，可以车削端面、外圆、内孔以及公制、英制、模数、径节各种螺纹，并可承担钻孔，套料、镗孔等工艺。

Large rating output power,high power density and wide speed range are achieved.

采用本文的方法可获得高的额定输出功率、高功率密度和宽的调速范围。

With high power transistor technology, large-scale integrated circuits and computer technology advances, VVVF AC motor technology has improved. has been widely applied in all walks of life.

随着大功率晶体管技术发展、大规模集成电路和计算机技术的突飞猛进，交流电机的变频调速技术已日趋完善，在各行各业得到了广泛的应用。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。