复线 | |
bridg.constr. | double track |
hydroel.st. | double-line |
oil | double pipelines; dual pipeline; parallel lines |
tech. | complex line; double track; dual line; double track |
反射性 | |
met. | reflectivity |
| |||
double-line | |||
double pipelines; dual pipeline; parallel lines | |||
complex line; double track; dual line | |||
double line | |||
| |||
double track | |||
| |||
double track (for railway) |
复线 : 445 phrases in 48 subjects |