Due to the normal corrosive action of the water, the tank will eventually leak after an extended period of time.
由于水的正常的腐蚀作用，超过使用期限后，热水器最终会产生泄漏现象。
Through stringent normal and long-period tests for water resistance, this paper analyzes the suitability of different kinds of fillers and different dosages used in drainage asphalt.
文章通过严格的常规和长期水稳性试验检验，分析评价掺加不同种类填料和不同掺配比例对排水性沥青混合料的适用性。
Water moisture content of the normal irrigation for maize always shows the trend of reduce until from grouting to ripe period, the water moisture content would rise.
常规滴灌玉米的土壤含水量一直呈现下降趋势，直至玉米灌浆期到成熟期，土壤含水量才有所回升。
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