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衡阳市位于湘江、耒水、蒸水汇合处,市区大部分为水网平地,江河、沟港、池塘水面约占市区总面积1/3。地面标高一般60米,江河正常水位48米,历史上最高洪水位62.78米。常年平均降雨159天,降雨量1300多毫米,最多达1750毫米。雨季洪水上涨,沿江两岸常被淹没。因此,地下水位比较高,构筑防空工事一般挖下去一两米就有水。几年来,广大军民发扬敢闯敢干的革命精神,坚持与天斗,与地斗,与水斗,与保守思想斗,经过反复实践,逐步认识和掌握
Hengyang City is located at the confluence of Xiangjiang River, Lishui River, and steamed water. Most of the urban areas are water network flat lands. The water surface of rivers, ditch and ponds accounts for about 1/3 of the total urban area. The elevation of the ground is generally 60 meters, the normal water level of the river is 48 meters, and the highest flood level in history is 62.78 meters. The average annual rainfall of 159 days, rainfall of more than 1300 mm, up to 1750 mm. Floods in the rainy season rose and were frequently submerged on both sides of the river. Therefore, the groundwater level is relatively high, and the construction of an air defense fortification generally involves digging one or two meters of water. Over the past few years, the broad military and civilian people have carried forward the revolutionary spirit of daring to dare to do things. They have persisted in fighting against heaven, earth, water, and conservative thoughts. After repeated practice, they gradually realized and mastered.