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自动中继 | |
telecom. | automatic relay |
DPA系统 | |
pest.contr. | DPA System |
F系统 | |
rem.sens. | F system |
PELV系统 | |
el.mach. | PELV system |
SELV系统 | |
el.mach. | SELV system |
TN 系统 | |
IT | TN system |
TN-C 系统 | |
IT | TN-C system |
TN-C-S 系统 | |
IT | TN-C-S system |
TN-S 系统 | |
IT | TN-S system |
系统 | |
tech. | system |
| |||
automatic relay |
自动中继: 43 phrases in 11 subjects |
Air defense | 1 |
Aviation | 6 |
Communications | 1 |
Construction | 1 |
Electric machinery | 1 |
Electronics | 15 |
General | 2 |
Shipbuilding | 1 |
Space | 5 |
Technology | 5 |
Telecommunications | 5 |