absolute blocking
短语发音
US
/ˈæb.səˌlut ˈblɑk.ɪŋ/
US
/ˌæb.səˈljut ˈblɑk.ɪŋ/
别名
block system
释义与例句
n.
-
1.
A system of managing trains that breaks the line into small segments, and if a train is in a segment, no other train may follow, unless the second train is following the first, with caution.
不可数