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用電安全
三用電表使用
三用電表使用

A multimeter (also known as a multimeter or ommeter) is a multifunctional electronic measuring instrument mainly used to measure voltage (AC/DC), current (AC/DC), and resistance. It can also measure capacitance, diodes, crystals, etc. It is an indispensable tool for electronics repair, electricians, and DIY enthusiasts.

焊接工具及技巧
焊接工具及技巧

很多不錯的文件:樹木、木材、花園。園藝的知識寶庫。