是的.
酒精灯的火焰温度通常为400~500℃,酒精喷灯的火焰温度可达1000℃左右.
在开启开关、点燃酒精喷灯管口气体前必须充分灼热灯管,否则酒精不能全部气化,会有液态酒精由管口喷出,可能形成“火雨”(尤其是挂式喷灯),甚至引起火灾.
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