公用管理信息服务 | |
tech. | common management information service |
单元 | |
gen. | module; block |
hydroel.st. | cell; element; unity |
math. | components |
navig. | apartment |
semicond. | cell |
tech. | unit |
| |||
common management information service |
公用管理信息服务 : 1 phrase in 1 subject |
Rail transport | 1 |