The Netherlands needs thousands of new housesthe country has a growing population. Anyway, it may not have to build all those houses. Some of（ they） can be printed.
（ recent）, the government has been working together with a university and some building companies（公司）（ build） houses that are fully 3 D﹣ printed. As volunteers, an old couple has become the（ twenty） people in Europe to move into such a house.
With two（ bedroom） and a big living room, the house was built layer（层） by layer huge 3 D printer and special cement（水泥）. After being printed out, the house was carried by a truck to the building site（屋顶）and windows were later added. It（ take） around 120 hours to finish this 3 D﹣ printed house. Usually, it takes about one or two years to build a house in the traditional way.
The couple will livethis house for six months, with a monthly pay of 800 euros（欧元）. The cost seems a little bit high but they think it is much （ cheap） in this way.
微信扫码预览、分享更方便
