直流电力牵引 | |
commun. railw. | DC electric traction |
制 | |
sport. | 3x15 system 3x15 |
telecom. | system |
CGS制 | |
oil | centimeter-gram-second system |
PAL 制 | |
telecom. | phase alternation line system; phase alternation by line system; phase alternation line system |
SECAM 制 | |
telecom. fr. | SECAM |
| |||
DC electric traction | |||
direct current electric traction; direct current electrical traction |
直流电力牵引: 4 phrases in 2 subjects |
Rail transport | 1 |
Technology | 3 |