B: Okay then, take a piece of bread and put a bit of oil in it and put it in the trap.
B：那你就用一片面包，抹点油然后放进圈套里。
Channeling can trap (bypass) oil in less permeable zones.
窜流可能圈团或旁通渗透率较低地带中的油。
The structure trap and structure-lithologic trap are main types of the oil and gas accumulation.
构造、构造—岩性复合是主要的油气藏类型；
Paleozoic non-structural trap, which is the main trap type of large oil and gas fields;
古生界非构造圈闭是大型油气田的主要圈闭类型；
Paleozoic non-structural trap, which is the main trap type of large oil and gas fields;
古生界非构造圈闭是大型油气田的主要圈闭类型；
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