单词line-block
网络: 线路码组；绳滑车；线路阻塞
Declaring a variable for the first time in a 40 line block of code is just as much of a scare.
把对变量的第一次声明混合到一个40行的代码块里同样也是一场噩梦。
The line block valves are of vital importance for the safety operation of the pipeline.
线路截断阀是管道安全运行的重要保证。
Finding a seemingly arbitrary number in the middle of a 40 line block of code is a maintenance nightmare.
在40行的代码块了中寻找一个不带任何表意的字符变量，对于维护工作来说简直是场噩梦。
Automatic adjustment of train operation diagram in single-line block
单线区段列车运行图的自动化调整方法
The Management of the Costs of the Power Line Block
输电线路阻塞费用的管理