main trunk line meaning in Chinese
主要干线管道
主要干线管路
Examples
- Like any highway system , the federal airways have their main trunk line
同任何公路系统一样，联邦航空线路也有其主航线。 - Like any highway system , the federal airways have their main trunk line
同任何公路系统一样，联邦航空线路也有其主航线。 - Because of the original design standard was low , the horizontal angur rigidity is serious lack , when the high speed train passes , the exceed limit of the horizontal swing had affected the lifting of the main trunk line , these diseases had been existed earlier but had not been gotten to resolve radical , and along with the increasing in speed of railroad train , these diseases performance will be more seriously , it ' s time for resolve
同时提速列车对桥梁结构的动力作用增大，特别是对上承式钢板梁。由于原设计标准低，横向刚度严重不足，高速列车通过时横向摆动严重超限等已严重影响了主要干线的提速，这些病害很早就存在但没有得到根治，随着列车提速，这些病害表现越来越严重，已到了必须整治的时候了。