Each phase switch may include first and second stationary contacts.
每个相开关包括第一和第二静接点。
The application of phase selection close switch in low voltage electrical apparatus test was introduced.
介绍了低压电器产品试验中选相合闸开关的应用。
The influence of tilted phase on the focal switch is also studied.
着重研究相位倾斜对焦开关现象的影响。
LAN Switch hardware design and test technology has successfully paced into industrial phase.
目前该交换机单板硬件设计及测试技术已进入产业化阶段。
LAN Switch hardware design and test technology has successfully paced into industrial phase.
目前该交换机单板硬件设计及测试技术已进入产业化阶段。
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