查询词典 switch box

Since the lotus root decompression for the box to start the counter protective structure, there are auto-transformers, AC contactor, smart motor protectors digital display components, etc., and below 75 kilowatts for the products, the Department of the use of automatic control mode, and more than 80 kilowatts of products, with two automatic control mode manually, by the change-over switch to switch, smart motor protectors digital display of 0 ~ 240 seconds can be automatically adjusted to control start-up time, prepared autotransformer 60 percent have a rated voltage (65%) and 80% tap two groups, then the factory in 60%(65%) on tap, if you need a larger starting torque, which can be accessed by 80% in the tap, and there are overload, and loss of pressure off the protection.

自藕减压启动柜为箱式防护结构，有自耦变压器、交流接触器、智能数显电机保护器(时间继电器、时间继电器)等元件组成，对于75千瓦及以下的产品，系采用自动控制方式，80千瓦及以上的产品，具有手动自动两种控制方式，由转换开关进行切换，智能数显电机保护器在0～240秒内可以自动调节控制起动时间，自耦变压器备有额定电压60％（65％）及80％二组抽头，出厂时接在60％（65％）抽头上，如果用户需要用较大的起动转矩，可接在80％抽头上，并有过载、断相及失压保护。

This paper precisely conducts the special topic research in view of some important technologies of the digitized control module.(1) AC motor control circuit of PAN/TILT is designed ,which speed is controlled by AT89C51 MCU. DC motor control circuit of LENS is designed too.(2) The hardware and software of automatic temperature control is designed, which used in camera protect box without A/D IC. A kind of single wire communication IC is used in the circuit. So, the program is given.(3) A method of video switch without picture shock is discussed in this paper, and 16x8 video switch circuit is designed. AT89C51 can carry out time sequence logical control with the sync signals by request..(4) The module of real-time clock is designed, in which, LCM is used, a kind of three-wire communication IC is used too.

1给出了一种由89C51单片机控制的简单易行的交流云台转动变速控制电路，实现了云台及其电动三可变镜头的控制；(2)给出了无需外加A/D、单线通信的防护罩自动温度控制电路，完成了单片机温度控制软件的设计；(3)提出了"无抖动"视频切换的设计思想，给出了16×8的视频切换电路，利用单片机在视频信号的场消隐期控制切换，从而实现了"无抖动"切换；(4)给出了一种三线接口通信的液晶显示实时时钟电路，完成了程序设计；(5)提出了在视频监控系统数字控制模块中，用CAN总线取代传统的RS-485总线，实现PELCO-P协议传输的方案。

SB2015-3 Precision Decade DC Resistance Box adopts high voltage glass glaze resistors and special high voltage seal switch.Its electric performance is very stable and insulation intension is very high.The resistance value can be adjusted under the condition of ceaselessly opening voltage(Note:The using switch should not be at the point of 0.)It is easy to operate and suitable to be used to calibrate insulation resistance meter,and suitable to be used as high resistance standard.

SB2015-3型精密十进位直流电阻箱采用高压玻璃釉电阻器及独特的高压密封开关，电性能稳定可靠、绝缘强度高、可在不断开测试电压的条件下调节电阻值（正在使用的那只开关不处在"0"位置时）、操作方便，适用于检定/校准绝缘电阻表，也可作为高阻标准。

The company produces goldcup, gold dragon, futian, wanfeng, changan, sitaier etc. type of various cars to use. Temperature controller, enlarger, manipulate, adjust the flat-outresistor, A/C switch, wind velocity switch, electricity the control the box etc. product 100 variety.

公司生产金杯、金龙、福田、万丰、长安、斯太尔等多种车型的汽车空调用温控器、放大器、操纵器、调速电阻器、A/C开关、风速开关、等产品100多种。

Company main products: high and low voltage switchgear; conventional circuit breaker, contactor, MCCB, knife switch, thermal relay, ammeter, voltage meter and other components; cable tray, waterproof box, meter box, home information terminal boxes, a variety of light and dark and trough distribution box, such as cable tray.

公司主要产品：高、低压开关成套设备；万能式断路器、接触器、塑壳式断路器、刀开关、热继电器、电流表、电压表等元器件；电缆桥架、防水箱、水表箱、家庭信息终端箱、各种明、暗配电箱及槽式电缆桥架等。

This box, which also has a key operated switch in series with the push-button switch, plugs into connectors located on the spool which holds the Extension Wire (these connectors are visible in the photo, being the two red coloured items).

此框，其中也有一个关键的操作开关在一系列与推动按钮开关，插头连接到设于后台持有延长线（这些连接器是可见的，在照片，被两个红色件）。

If you get a Perspective Switch dialog box, click Yes to switch to the Flash perspective .

耐心点——你可能需要等待一分钟左右或是出现一个新的对话框。

When the digital keyboard according to the 4 or 6 button to switch to the combo box, the keyboard according to the number 1 or 3 key to switch to the "Open" project after the slash by the number of keyboard keys to open the project, this time by the direction of the cursor keys can be heard on the choice of content.

当按数字键盘的4或6键切换到组合框以后，按数字键盘的1或3键切换到"打开"项目以后，按数字键盘的斜线键即可打开该项目，这时候按光标的方向键就可以听到所选择的内容了。

After years of efforts and the needs of users, the company currently has products are mainly 6 ~ 10kV of KYN28A-12 sheathed in metal cabinets home, XGN -12 ring counters Nets, CBW-1-type box-type substation, GGD AC Low Voltage Distribution counters, GCK low-voltage switch cabinet drawers, GBD due to set-type low-voltage switchgear, ZXL§Distribution Cabinet, ZXJ metering box as well as the PZ30, such as power, lighting distribution box, the product also involves the control of industrial automation power distribution cabinet type PLC.

经过多年来的努力和用户的需要，公司目前产品主要有6~10kV的KYN28A-12金属铠装中置柜、XGN□-12环网柜、CBW-1型箱式变电站、GGD低压交流配电柜、GCK低压抽屉式开关柜、GBD低压因定式开关柜、ZXL户内外配电柜、ZXJ计量箱以及PZ30等动力、照明配电箱，产品还涉及工业自动化的控制类PLC配电柜。

When the condensate water temperature gradually increased, the membrane began to evaporate liquid-filled box, the membrane box pressure rise, driven diaphragm valve heart Needle Valves to move off in the condensate to saturation temperature before the trap is completely closed, the membrane box with the steam temperature change control valve switch, play a role in blocking the drainage steam.

当冷凝水温度渐渐升高，膜盒内充液开始蒸发，膜盒内压力上升，膜片带动阀心向关闭方向移动，在冷凝水达到饱和温度之前，疏水阀完全关闭，膜盒随蒸汽温度变化控制阀门开关，起到阻汽排水作用。有开阀温度低于饱和温度15℃和30℃两种膜盒供选择。& bellows steam trap &是由中国疏水阀网提供的国际阀门新闻，译文仅供参考。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。