“道岔”造句

他被派去扳道岔.
He was assigned to man the switches.

道岔无缝化是跨区间无缝线路发展的难点和关键技术.
Jointless turnout is a key technique in developing CWR track across section.

铁路道岔与中铁山桥平分中国市场.
Railway yard with iron sanshan bridge in the Chinese market.

• #道岔