The paper analyzed the cause and characteristic of the flood and draught disasters occurred in Heilongjiang Province in 1996.
对1996年黑龙江省水旱灾害成因及特点进行初步分析。
With complete functions, novel design, automation degree higher characteristic, is a collection of machine, electricity and gas in the integration of new potable water draught device.
具有功能齐全、设计新颖、自动化程度高等特点，是集机、电、气于一体的新型饮用水桶装设备。
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