The Pan Delta events feature Asia Formula Renault (AFR) as well as various touring car and superbike races for action-packed weekends.
活动内容包括亚洲雷诺方程式（AFR），以及各种房车和超级摩托车赛的动感十足的周末。
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Two kinds of key sensors, hot-film mass air flow (MAF) sensor and universal exhaust oxygen gas sensor, for the AFR control are fully studied in this paper.
Additional flow rate (AFR) method can overcome this problem beautifully by inject a kind of light and thin fluid into choke line to drop its pressure loss.