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彩色图形 | |
el. | color graphic |
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 |
| |||
color graphics |
彩色图形: 34 phrases in 9 subjects |
Electronics | 6 |
General | 2 |
Geology | 1 |
Geophysics | 2 |
Information technology | 1 |
Multimedia | 1 |
Oil / petroleum | 1 |
Technology | 17 |
Telecommunications | 3 |