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7 第十二章用电常识本章共三节,依次是《家庭电路》、《安全用电》、《实验:安装简单的照明电路》。这部分内容虽属常识,但具有很强的实用性,是生活在现代的人不可缺少的技术知识和技能。教学中应安排对实际电路、用电器的观察和实验,务求密切联系实际。
Chapter 12 General Information on Electricity This chapter consists of three sections, followed by “Home Circuit”, “Safety Electricity” and “Experiment: Installing a Simple Lighting Circuit”. Although this part of the content is common sense, it has strong practicality and is an indispensable technical knowledge and skill for people living in modern times. In the teaching, observations and experiments on actual circuits and electrical appliances should be arranged so as to ensure close contact with the actual situation.