题目内容：

It is in YangZhou__you are going to pay a visit to__this kind of video is made.

优质解答

It is in Yangzhou (where) you are going to pay a visit to (and in which) this kind of video is made
解析：
整句的意思是你将要拜访的城市是扬州,与此同时也正是该录音机的产地!
第一个Where不难理解,因为是表示地点的从句
但是第二句,有点难度,因为这里涉及到一个语法
就是介词+WHICH表示的是地点.或者你也可以直接用where,不过,英语中有一种重复
如果你会用介词加WHICH,最好有这个,因为,不需要两处都用WHERE.