why (hkcwcc)

Race #84

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Official speed 80.15 wpm (27.85 seconds elapsed during race)
Race Start July 26, 2010 10:53:40am UTC
Race Finish July 26, 2010 10:54:08am UTC
Outcome Win (1 of 3)
Points 0.00
Text #1080434 (Length: 186 characters)

對流也起著次要作用,因為相對薄的空氣層的存在和紙板上隔熱板。絕緣性能的紙板發揮重要作用,因為它們有助於減少溫度梯度整個領空。