中暑的时候皮肤会发红发热，因为此时血管扩充，试图增大热量散发，有时候嘴唇也会肿起来。
The skin may become red and hot as blood vessels dilate in an attempt to increase heat dissipation, sometimes leading to swollen lips.
按下喇叭开关，如果喇叭有时响，有时不响，多是喇叭开关内部的触点接触不好，使用时间过长，触点间隙增大。
Press the horn switch, if the speaker sometimes ring, sometimes not ring, more than the inner contact of the switch is not good, the use of too long, the contact gap increases.
中暑的时候皮肤会发红发热，因为此时血管扩充，试图增大热量散发，有时候嘴唇也会肿起来。
Thee skin may become red and hot as blood vessels dilate in an attempt to increase heat dissipation, sometimes leading to swollen lips.
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