bottom door operating handle

例句：

1. 1. The new car has a bottom dooroperating handle that makes it easy to openthe trunk.
   这款新车有一个底部门操作手柄，使得打开后备箱变得很容易。
2. 2. Theold house had a wooden bottom door operatinghandle, which was rusted and wornout.
   那所旧房子有一个木制的底部门操作手柄，已经生锈和磨损了。
3. 3. The engineer used a bottom door operatinghandle to adjust the angle of the roof.
   工程师使用一个底部门操作手柄来调整屋顶的角度。