问题描述:
擦望远镜镜片用沙子擦?
条件:能擦干净\经济\方便\不损伤镜片.
the more profesional your answer,the more you will achieve
条件:能擦干净\经济\方便\不损伤镜片.
the more profesional your answer,the more you will achieve
问题解答:
我来补答展开全文阅读