两川

两川两川
  1. 黄河中游两川两河及十大孔兑水资源分析

    Water resource analysis on two rivers and streams and ten brooks of middle Yellow river

  2. 利用该仪器两次对川西北气矿平丹输气管线上4个输气场站的设备进行泄漏检测,并用美国ENVIROMETRICS软件公司的F。

    Using the analyzer , the leakage is detected twice for the equipment in the 4 gas transmission stations of Northwest Sichuan Gas Mine along Ping-Dan gas pipeline . And using F.