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main trunk line中文是什么意思

发音:  
用"main trunk line"造句"main trunk line"怎么读"main trunk line" in a sentence

中文翻译手机手机版

  • 主要干线管道
  • 主要干线管路

例句与用法

  • 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。
用"main trunk line"造句  
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