半自动测试 | |
avia. | semiautomatic test |
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 |
| |||
semiautomatic test | |||
semi-automatic test |
半自动测试 : 14 phrases in 6 subjects |
Aviation | 3 |
Electronics | 5 |
Mechanics | 1 |
Military | 1 |
Oil / petroleum | 2 |
Space | 2 |