Mobile homes,pulled by specially designed trucks have been increasing in numbers怎么译
问题描述：
Mobile homes,pulled by specially designed trucks have been increasing in numbers怎么译
答
由特殊设计的拖车拉动的移动房屋的数量已经在不断增长了。
答
被专门设计的火车拖带的流动的家园,一直在数目上呈增长趋势.
答
由特殊设计的卡车拉动的可移动住所越来越多了