principal river

       
  • 干流

principal river的用法和样例:

例句

  1. The sand and gravel in the Yangtze river is good building and filling materials.
    摘要长江中下游干流河道内的砂石是较好的建筑和填筑材料。
  2. Gezhouba Water Control Project on the Yangtze River is the first large-scale construction of water conservancy projects.
    葛洲坝水利枢纽工程是长江干流上兴建的第一座大型水利工程。
目录 查词历史