轨道中心 | |
bridg.constr. | track centre |
space | orbit center |
线 | |
environ. | line |
hydroel.st. | string; thread |
math. | straight line |
metrol. | linear … density |
| |||
track centre | |||
orbit center | |||
center of the trace; centre of the trace; track center |
轨道中心: 11 phrases in 6 subjects |
Aviation | 1 |
Bridge construction | 1 |
Hydroelectric power stations | 1 |
Rail transport | 1 |
Technology | 6 |
United States | 1 |