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[电气] Combined Paging and Telephone System是什么系统?

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发表于 2009-7-10 11:23 | 显示全部楼层 |阅读模式 来自: 中国四川德阳
Combined Paging and Telephone System
The Builder shall install a combined paging and telephone system of a
regulatory body approved type.
Stations shall be as follows :
Location Enclosure Features
Jacking Control Room NWT Adj. Volume Control
Radio Room NWT Adj. Volume Control
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