沙一段下亚段
the lower of the first member of Shahejie Formation
Shahejie Formation Lower Member 1
古近系沙河街组沙一段
member 1 of Paleogene Shahejie Formation
沙一段
the first member ofShahejie Formation
Sha1
shahejie formation
Sha 1
member 1 of Shahejie formation
the 1st sandstone Member
Es1
First member of Shahejie Formation
the first member of Shahejie Formation
Es1 member
S1 member
the first segment of Shahejie Formation
the first segment of Shahejie frmation
沙一段暗色泥岩
dark mudstone in Es1 Member
决定下一部行动
decide on the next course of action
下一段选路过程
NHRP Next Hop Routing Procedure
分段下部掏槽崩落开采
sublevel undercut caving method
产沙部位
sediment erosion position