风力图;风向频率图
The testing method of the kitchen ventilator quality, as well as the calculation method of the leakage of the oil fume and the waste gas from combustion gas are given by measuring the effective intensity vector diagram of the suction wind field for a kitchen ventilator.
通过对吸油烟机抽吸风场有效强度矢量图的测量,给出了吸油烟机质量技术检验方法和油烟废气、燃气废气污染泄漏量的计算方法;
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