对两种送风装置性能的优劣进行了对比分析和实验。
The performance indexes of the two air supply apparatus were compared through experiment.
模拟结果表明，在灯光渡桥上加局部排风装置，喷口送风、下部回风为此类建筑的最佳空调方式。
Results show that fixing the local exhaust facility over the lighting bridge, spout air supplying and bottom air returning is the best air conditioning method.
根据供风方式，该装置有强制送风和自然送风两种。
Acording to air supply mode, the device has forced air supply and natural air supply.
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