7月30日，水位暴涨的黄河水面距离中山桥桥底只有约2米距离。截至7月30日上午10时，29日开始的较强降水已致黄河兰州段水量达每秒3780立方米，逼近每秒4500立方米的防洪四级预警标准。兰州市水文勘测局称，根据目前的监测数据，这是兰州市自1986年以来的最大的洪峰。新华社记者 武斌 摄     July 30,，The water level of the water in the Yellow River jumped from ShanQiao bridge bottom only about 2 m distance。July 30, at 10 am，29, the strong rainfall has started to lanzhou section of the Yellow River of 3780 cubic meters of water per second，Approaching 4500 cubic meters per second of flood control level 4 warning standards。Lanzhou city hydrological geological says，According to the current monitoring data，This is the lanzhou city since 1986, the largest of the peak。The xinhua news agency WuBin perturbation

    7月30日，黄河水漫过兰州市龙源公园。新华社记者 武斌 摄     July 30,，The Yellow River water over the lanzhou city LongYuan park。The xinhua news agency WuBin perturbation

    7月30日，技术人员在黄河兰州段监测水情。新华社记者 武斌 摄     July 30,，Technical personnel in lanzhou section of the Yellow River water monitoring。The xinhua news agency WuBin perturbation