PVC线槽安装组件
PVC Trough Installation Components
阿基米德螺线槽模具
Archimedes spiral cavity mold
带螺线槽的手铰刀
hand reamer with spiral flutes
带螺线槽手用铰刀
hand reamer with spiral flutes
度作为载荷,计算母线槽的应力场,得出母线槽由于母线槽
渐变槽线天线
Tapered-slot-antenna
Tapered slot antenna
Tapered slot-line antennas