其次,对该双拼别墅的倾斜原因进行了分析,得出倾斜是由内在的地基不均匀性和外在的绿化用水和地表水的下渗等两方面因素共同作用引起的。
In the next place , a detailed analysis of the causes for tilting of the semi-detached villa is made and it is attributed to the irregular foundation , green belt sprinkling and the infiltration of surface water .