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Control switchboards 控制配电盘
Standard for Control Switchboards 控制配电盘标准
positioning and installing electrical switchboards 定位和安装电气配电盘
Switchboards s 配电盘
Main Switchboards 主配电板
Field Switchboards 现场交换机
telephone switchboards 电话开关板
modern switchboards ltd 现代配电盘公司
同义词: patchboard plugboard
以上来源于: WordNet
N-COUNT A switchboard is a place in a large office or business where all the telephone calls are connected. 电话总机
He asked to be connected to the central switchboard.
他要求转接到电话总机。
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