Game Rant1 个月
Rumor: Valve Could Be Releasing a Super-Expensive VR Headset This Year
Valve may finally release the Deckard VR headset in 2025 after a long bout of rumors. Unlike Valve's current Index VR headset, the Deckard is expected to be wireless, standalone, and run a VR ...
仪表网1 年
DN80供水管道流量计
SP-LDE系列DN80供水管道流量计基于法拉第电磁感应定律。流量计的测量管是一内衬绝缘材料的非导磁合金短管。两只电极沿管径方向穿通管壁固定在测量管上。其电极头与衬里内表面基本齐平。励磁线圈由双方波脉冲励磁时，将在与测量管轴线垂直的方向上产生一 ...