Abstract: Free chlorine concentration in drinking water is an important control parameter throughout the distribution network, since both too-low and too-high concentrations can lead to health hazards ...

天子山大桥是梁子湖上的首座公路特大桥，双向四车道，总路线长2480米。 一名女子骑着电动车途经此处，身旁一辆机动车突然打开车门，她瞬间被撞，电动车滑出几米远。