激光组件中的透镜组是用来保证激光能够匀速垂直对感光鼓进行曝光。
参考答案：对
根据下面建筑物的位置，将下列句子补充完整。
1. The zoo is ____________ of the museum.
2. The hospital is ____________ of the museum.
3. The bookstore is ____________ of the bank.
4. The shoe store is ____________ of the zoo.
5. The hospital is ____________ of the park.
草料打包机
