As to the size of separation zone and intensity of separation vortex, further study is needed.
对分离区大小、分离涡强度的影响还需进一步的实验研究。
There exits bed separation zone above water-conducting crack zone overburden after coal mining.
煤层采后覆岩中的导水裂隙带之上存在离层带。
Moreover, the separation zone is only a low-energy fluid gathering area for large total pressure loss and entropy rather than a zone of loss source.
分离区仅是高总压损失和高熵值的低能流体聚集区，而非高损失来源区；
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