主放电电流的平均幅值小于7kA。 主放电电流的陡度≤5kA/μs 基本上消除了雷闪时产生的感应过电压。 抗风能力不低于风速30m/s。 先导放电避雷针由针头、接地引下线、接地装置构成一套保护系统。它的针头不再是单针，而是由主针、动态环、贮能装置组成 ...

Table of Contents Why you should buy the Dell XPS 13 Security software deal worth checking out: 55% off Incogni When looking for great laptop deals, Dell is always one of the better places to check.

At CES 2025 in Las Vegas, Dell Technologies unveiled a bold new direction for its product lineup, doing away with legacy branding like Inspiron, XPS, and G-series. Instead, Dell is introducing a ...

Dell is taking Apple’s cue for its laptops and giving them iPhone-like Pro and Pro Max rebranding. The company has made this big call at the CES 2025 this year which means the end of the popular XPS, ...