建立分液管和换热器的数学模型，对空气源热泵风侧换热器在有、无分液管的情况下的各盘管中质量流量分配问题分别进行研究。
A mathematical model was developed to investigate mass flow rates in the heat transfer pipes of the air side heat exchanger with and without distribution pipes for an air source heat pump.
对施工中的各种风荷载、主墩偏位及主梁一侧失重等情况进行了分析。
Combined with a bridge, various kinds of wind loadings, deviation of the pier and losing weight of one side are considered.
格栅的调风装置也可以移动，侧鳃可以改变空气流动的方向，主动式轮毂会和轮胎外侧形成一个平面。 这些变化将帮助这款汽车最有效地在空气中穿行。
Louvers in the grille can move, side gills redirect air flow and active wheel rims become flush—all to help the IAA most effectively cut through the air.
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