submerged delta front 水下三角洲前缘 ; 水下三角洲前沿
delta-front facies 三角洲前缘相
delta-front landsliding 三角洲前缘滑坡
delta front belt 三角洲前缘相带
delta front sand body 三角洲前缘砂体
fan-delta front 扇三角洲前缘
fan delta front 扇三角洲前缘
The rival channel, lake shoreline and gentle slope are quite important for controlling the delta-front sand-body of lithologic trap in a depression basin.
在坳陷湖盆，河道、湖岸线和缓坡对有利于岩性圈闭发育的三角洲前缘砂体具有明显的控制作用。
Its reservoir with secondary porosity zone is also a key for petroleum pool formation, which is of distributary channel of fan delta front.
该构造储层属三角洲前缘亚相的水下分流河道微相沉积，并存在由成岩作用形成的次生孔隙发育带。
The channel of meandering river, the distributary channel of delta front , distributary mouth bar , distal bar and the beach bar are the main sand body types.
其中曲流河河道，三角洲前缘水下分流河道、分流河口砂坝、远砂坝以及滩坝是主要的砂体成因类型。
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