plain line

名词 n. 动词 v.
中文释义

英文释义

名词 n.
  1. a stretch of railway track that does not have any junctions, crossovers or points on it.
动词 v.
  1. to remove points and crossovers from a stretch of track.

词形变化

plain lines plural plain lines present,singular,third-person plain lining participle,present plain lined participle,past plain lined past

词汇关系

反义词
pointwork
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