Global variables to switch triggers off for maintenance.
使用全局变量关闭触发器以进行维护。
Every machine is equipped with protect travel switch in order to increase safety coefficient for repairing and maintenance. It also has thermal overload relays to protect the motor.
每台机器均配有保护行程开关，为维修、保养增加一份安全系数。且装有热过载继电器，保护电机。
The working principle of colour TV supply source circuit and fault analysis were described. Some maintenance examples are helpful for repairing other switch supply source circuits.
介绍了彩显电源电路的基本原理及故障的分析和维修实例，对维修其它开关电源电路具有借鉴作用。
Antenna system maintenance and measurement: precision gang switch and support device.
天调系统维护与测量：精密的同轴开关以及配套器件。
Problems of handcart-type high voltage switch cabinet in application were analyzed and improving measures and matters needing attention in installation, usage and maintenance were offered.
对手车式高压开关柜在应用中出现的问题进行了分析，并提出改进措施及安装、使用与维护中的注意事项。
Plug-type power, user the transfer switch to change the initial step coils adjust The welding voltage. Thus the performance is reliable and maintenance id very simple.
抽头式电源，用转换开关改变初级线圈匝数来调节焊接电压，因此性能十分可靠，维修亦简便。
Switch from a grow-in to a maintenance fertilizer regime at 4 to 6 weeks after emergence, or when the grass has reached nearly 100% ground coverage.
一般在发芽后4- 6周，或者当草坪100%完成地面覆盖后从生长期用肥转换到养护用肥。
Warning: Switch off main power supply before maintenance!
警告：维护前请先切断主电源！
The switching and maintenance software is an important component and the system platform of the switch software.
交换与维护软件是交换机软件的重要组成部分和系统平台。
Switch off main power supply before maintenance.
维护前请切断主电源。
Standard by-pass switch, no need to cut down power and stop production for repair and maintenance of equipments.
标准旁路开关，定期保养和维护时不用停电待产。
Load switch can achieve maintenance-free, combination units can be equipped with a series of hit the pin fuses, fuse replacement safe and convenient.
负荷开关可实现免维护，组合电器可配用系列撞针式熔断器，熔断器更换安全方便。
The earthing switch in high-voltage switchgear is a kind of mechanical earthing device used at the time of maintenance and repair to insure the safety of personnel.
高压开关柜中的接地开关是作为检修时，保证人身安全，用于接地的一种机械接地装置。
The characteristics, technological innovation and technology quality control of ZYJ7 electrohydraulic switch machine is introduced in this paper, and the issues in the maintenance are put forward .
介绍了ZYJ7型电液转辙机的特点及技术改进和工艺质量控制，并提出了养护使用时应注意的事项。
As such, it can be used to replace the conventional safety switch during mechanical maintenance.
同样地，在维修期间其可用于代替传统的安全开关。
The structure of the device is simple, the reliability is good, operation and maintenance is convenient, and it can be used in quick separation switch and general separation switch in GIS.
该装置结构简单，可靠性好，操作维护方便，能同时适用于GIS中 的快速隔离开关与普通隔离开关。
The 5ESS switch system is designed to provide cost-effective, flexible and reliable mechanization and centralization of maintenance and administrative functions.
ESS交换机系统提供低廉、灵活、可靠的机械和集中化控制及管理的功能。
The 5ESS switch system is designed to provide cost-effective, flexible and reliable mechanization and centralization of maintenance and administrative functions.
ESS交换机系统提供低廉、灵活、可靠的机械和集中化控制及管理的功能。
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