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baicaizfl 发表于 2016-8-29 21:00 
% V6 ?6 Y& P8 z& H7 m- [& p& A湿布干一次热表面温度达到204摄氏度时断电2分钟,在这2分钟内换湿布,再等湿布干了热表面温度达到204摄氏 ... % n0 o2 J2 k5 E- ~. r& m
为什么是4次?标准上说是两次而已吧??
( }/ q" g+ V- {5 o' |" h4 v1 R标准原文: 44.1.19 An electrical heating element intended for application to the hair is to be loaded with a moistened cloth and then operated until the moisture has been evaporated and the heating surface of the unit has attained a temperature of 204°C (400°F). Following a 2 minute period with the unit disconnected, during which it is to be reloaded with another moistened cloth, the heating and evaporating operation is to be conducted a second time. The complete cycle is then to be repeated again. Temperatures are to be measured throughout the test. |
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