灯杆稍微有点向西歪.The lamp post has a slight tip to the west.更换后的路灯灯杆式样高雅, 颇具艺术风格.Replacement of the lighting pole style elegant, quite artistic style.因FRP材质 不导电, 因而灯杆用电安全性能好.The FRP is an insulator to electricity, so it is good...
日光灯是一种低气压的汞蒸气弧光放电灯.Fluorescent is a low pressure mercury - smoke arc discharge lamp.介绍了弧光传感器的组成 、 物理模型及信号特征.The makeup of the arc light sensor, physical model arc light sensing and signal characteristics, discussed.提出了研究...