一个普通标准游泳池 21x50x1.8 = 1890立方米
每人一口口水,总共14000立方米
也就相当于 7.4 个游泳池的水量
一个普通标准游泳池 21x50x1.8 = 1890立方米
每人一口口水,总共14000立方米
也就相当于 7.4 个游泳池的水量
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