migration passage

• 运移通道

migration passage的用法和样例：

例句

1. An unconformity, which occurs between the bottom of Baiguowan sandstone and Palaeozoic, is the main migration channel to connect many Palaeozoic source beds.
   白果湾底部与古生界地层接触的不整合面，是关键的油气运移通道沟通了多套古生界烃源层。