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questions / 常見問題
1. Will the direct drinking water system cost a lot?The cost of replacing a barrel of barreled water with 10-12 yuan per barrel in 5-6 days is 880 yuan per year, which is similar to the cost of replac···
Water is indispensable to life. In human metabolism, water and air are indispensable. Human beings may live for weeks without food; drinking water without reverse osmosis water equipment for three day···
The recession of real estate investment and the increasingly severe domestic environmental water pollution, what conditions are needed, how much money is needed to invest, etc. The original water puri···
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