预防和治理水灾是一项非常重要的工作。其中井下探水和透水事故处理是两项重要工作，必须认真作好预防和治理工作。
Preventing flood is a very important work. In them, underground exploring and permeating water accident are tow important work, so we must do them well.
预防和治理水灾是一项非常重要的工作。其中井下探水和透水事故处理是两项重要工作，必须认真作好预防和治理工作。
Preventing flood is a very important work. In them, underground exploring and permeating water accident are tow important work, so we must do them well.
应用推荐