The double-channel sewage pump has excellent performance and good passing -ability which obtain more widespread application in transportation and processing of city sewage and industrial waste.

双流道污水泵以其良好的性能和较强的过流能力，在城市生活污水、工业废水的输送与处理等方面得到了较为广泛的应用。

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But this approach has limitations. Since there is no inherent broadcast containment, the widespread propagation of broadcasts can waste precious bandwidth in large networks.

但这种方法也有局限性，由于没有固有的广播包容，所以广播的广泛传播浪费了大网络上的宝贵带宽。

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Badly managed solid waste sites have contaminated groundwater and spread air pollution, and illegal logging has caused widespread loss of forest cover.

固体垃圾处理不当，严重地污染了地下水，并使得空气污染四处扩散。非法砍伐造成了森林覆盖率的急剧下降。

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Mr Berlusconi brushed aside widespread criticism of his handling of the talks, arguing that they had not been a complete waste of time because agreement had been reached on most points of contention.

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The system became so inefficient and was made so fragile by waste that a relatively minor setback a couple years of bad harvests caused widespread hunger and revolt.

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