王涛预计，从那时起，只有4800万套房市在市场中卖出的，但是全国有2.15亿城市家庭。
Since then, only 48m homes have been sold on the market, Ms Wang estimates, in a country with 215m urban households.
王书林，沈万涛，次磷酸钠生产工艺及反应器的优化对生产次磷酸钠工艺及主要设备进行了评述，对相应的技术开发提出了新的见解和建议。
In this paper, the process of sodium hypophosphite production and equipment is summarized, new views and suggestions are put forward according to corresponding technological exploitation.
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