loop line
短语n. 环状线路, 回线
词形变化
loop lines
复数
loop lines
别名
loopline
释义与例句
n.
-
1.
A secondary route which leaves a mainline, following a different route to the main line, before rejoining it several miles further on.
交通 -
2.
A secondary route which forms a loop between two main lines, so that trains using it return to the same place.