Speaking about its "recipe", Wang says it's very dependent on location, water quality and temperature, the delicate requirements of which just happen to match Shiqiao's unique conditions.
句中定语从句关系代词which前的介词of没有什么作用,我怎么觉得应该去掉,或者说这是错误。
请专家老师给予详尽的评析指导。