分类： 信息化
2014-03-31 15:30:01
or cooling based on the principle of hot objects. Heating or cooling is a common object, but the object of their different levels of heating or cooling is not the same. Double gold on both sides of the conductors of different substances, changes in temperature due to the lower level is not the same as leaving the sizing double gold bend, hit the set of contacts or switch the circuit to work settings, such always protect your safety.
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