The lash and pollution of initial rain in river course has become one of the key problems in the control of river course pollution.

初期雨水对河道的冲击污染已成为解决河道污染的主要难题之一。

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President Vladimir Putin's spokesman Dmitry Peskov told independent Russian TV channel Rain on Saturday that diplomats had taken initial steps towards bringing Kristopher back to Russia, but he conceded that the adoption had been lawful.

BBC: Russia 'concerned' over Max Shatto Texas death ruling