operations & maintenance center
O&M, OM：Operations & Maintenance 操作与维护 OMC：Operations & Maintenance Center 操作与维护中心 OPC：Originating Point Code 源信令点编码 ..
基于90个网页-相关网页
operation and maintenance center
...操作与维护活动 operation and maintenance activities，O&MA 操作与维护中心 operation and maintenance center，OMC 操作与维护手册 operation and maintenance manual，OMM ..
基于10个网页-相关网页
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