外热式电烙铁由于在烙铁尖端镀上了一层铁镍合金,因此有脏物时只需将烙铁尖在沾水的海绵上轻轻擦几下即可。
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What are the three parts a categorical syllogism consists of: (答案请小写,答案间并用分号隔开,分号后空格一下再填下一个答案)
is a way proposed by the structural semanticists to analyze word meaning. This approach is
二极管的漏电流(反向饱和电流)越大,说明管子的单向导电性越好。