因此，暴雨区的坡面防护和坡内排水应给予重视。
So slope surface protection and inside bailing within great storm zone should be emphasised.
欧洲、北美和中国依次是世界第一、二、三大酸雨区。
Europe, North America, China are the first, second, third acid rain area respectively.
欧洲、北美和中国依次是世界第一、二、三大酸雨区。
Europe, North America, China are the first, second, third acid rain area respectively.
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