air direct meaning in English

空气走向

Displacement ventilation also has higher energy using ration than other supply air systems , ie it has higher temperature effectiveness , and that displacement ventilation system always has part quantity of heat lying upside area of room , air supply outlet lies at low side , supply air direct come into workaround , and only absorb heat and humid of workaround , assure satisfaction of the design conditions of workaround
对于置换通风其节能性也优于其它的送风方式，即其温度效率高，而且置换通风总有部分热量处于房间上部区域，送风口设在低部，送入空气直接进入工作区，只是吸收了工作区的热、湿量，保证工作区的气象参数满足要求。