blocking section中文什么意思
闭塞区间
- block: n. 1.片,块,大块;粗料,毛料; ...
- section: n. 1. (外科、解剖的)切断;切 ...
- section blocking: 分段闭塞
例句与用法
- Railway signal power supply panel - part 6 : block section signal power supply panel
铁路信号电源屏.第6部分:区间信号电源屏 - Crystal block section
晶体检波部分