The utility model relates to an automatic arc blocking device for electric and arc weld, which belongs to the photoelectric control field.
本实用新型涉及一种电、氧焊自动挡弧装置，它属于光电控制领域。
The utility model relates to a gas discharge device which is composed of an electric-control box, a methane detector, a portable blower, etc.
本实用新型涉及一种瓦斯排放器产品，是由电控箱、甲烷检测仪、局扇等几部分组成。
The switch is the control device of an electric circuit.
开关是电路的控制部件。
The invention relates to a control device for an electric rice cooker and a control method thereof.
本发明是一种电饭煲的控制装置及其控制方法。
The invention relates to an intelligent response control electrical desalting and dewatering electric field device belonging to the technical field of crude oil processing.
本发明涉及一种智能响应控制电脱盐脱水电场装置，属于原油处理技术领域。
The switch is the control device of an electric circuit.
关闭开关。 重新安装后上灯电路继电器。
A propulsion controller, a swing controller and a steering control board constitute an electric propulsion control device.
推进控制器、回转控制器和驾驶操纵台组成了电力推进控制装置。
The device is an automatic shaping unit with hydraulic transmission system and electric combination control.
该机为液压传动、电器综合控制的自动整形机。
An electric shock and various life-saving automatic pressure instrument which mainly comprises an air transmission device and a motor start-stop and positive inversion control circuit;
一种触电及各类生命抢救自动气压仪，主要由空气输送装置以及电机启停及 正反转控制电路组成；
An electric shock and various life-saving automatic pressure instrument which mainly comprises an air transmission device and a motor start-stop and positive inversion control circuit;
一种触电及各类生命抢救自动气压仪，主要由空气输送装置以及电机启停及 正反转控制电路组成；
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