三刀开关最早用于切换伏特计保护及信号线路。
The three-pole switch was originally used to switch a voltmeter guard along with the signal lines.
安装进线刀开关、进线电流表、电压表(可切换)和进线电压指示灯。
Install incoming disconnect switch, incoming current meter, voltage meter (switchable) and incoming voltage indicator light.
直到输出打开开关(红色LED)螺丝刀。
用经火焰灭菌的外科刀打开关节。
在使用前，必须先打开开关，使刀盘转动后，再从头把加工物体向前推移切削。
Before use, must open the switch first, make the knife dish after turn move again from the beginning process the object to changed to slice to pare before.
介绍了松江河电厂小山电站的开关、刀闸运行监控要求和组态软件及PLC在电力监控系统的应用。
It described the application of switches, links, combinational state software and PLC used for power supervising system in Xiaoshan power station of Songjianghe power plant.
此剃须刀设计时匠心独运， 使得电源开关置于ON位置时，（电源）插头不会被推出。
The shaver is designed so that the plug cannot be pushed out when the switch is in the "ON"position.
机架上装有上下两个限位开关，以控制换向阀改变切胶刀的运动方向，同时，也可保护活塞缸缸盖。
On the frame, with two limit switch to control the reversing valves change rubber cutting knife movement direction, at the same time, also can protect the piston cylinder cylinder.
本实用新型涉及一种开关，特别涉及一种电力开关柜接地刀的电动接地开关。
The utility model relates to a switch, in particular to an electric earthing switch of a power switch cabinet earthing tool.
回拧时，将销子开关推上，刀柄和刀杆形成整体，作为普通螺丝刀使用。
When the pin switch is pushed on, the handle and the tool bar form into an integral structure, which can be used as a common screwdriver.
机架上装有上下两个限位开关，以控制换向阀改变切胶刀的运动方向，同时，也可保护活塞缸缸盖。
Two limit switches are installed on the frame to control the reversal valve to change the movement direction of the rubber knife, at the same time it protects the cover of the cylinder.
机架上装有上下两个限位开关，以控制换向阀改变切胶刀的运动方向，同时，也可保护活塞缸缸盖。
Two limit switches are installed on the frame to control the reversal valve to change the movement direction of the rubber knife, at the same time it protects the cover of the cylinder.
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