结果表明：在没有西风气流背景的影响下，绿洲沙漠环流和大气边界层结构是对称的。
The results showed that the oasis-desert circulation and atmospheric boundary layer structure are symmetric without the influence of the background westerly air flow.
针对流化床中气流通过布风板时压力损失过大，本文对循环流化床冷模布风板的开孔直径和布孔形式做了数值模拟研究。
Because pressure loss oversized when gas went through distributor in FB, this article studied hole diameter and hole arrangement form in the circulating fluidized bed (CFB) by Fluent software.
气流由大旋风收集器上端回风管吸入鼓风机，本机整个气流系统是密闭循环的，并且是在正负状态下循环流动的。
Airflow from the large cyclone collector inhalation top return air duct blower, this machine is a closed loop system, the air flow, and circulation in the flow of positive and negative state.
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