WHIO25 天
Economic professor details local impact of President Trump’s tariffs
As reported on News Center 7 at 6:00, grocery stores are one of the first places American consumers may see impacts, especially in the produce aisle. “I fully expect tariffs on seasonal fruits ...
仪表网26 天
Fluke 1621 接地电阻测试仪
Fluke 1621 是一款简单易用的接地测试仪。 对于接地电阻测试场合，1621 是检测可靠接地连接线路的道防线。 装置采用多种基本的接地测试方法，其中包括三极电压降测试法及两极接地电阻测试法。 它的尺寸轻巧方便，拥有结实的皮套以及清晰的宽大 LCD 显示屏 ...