The cathode wires are fixed in a rigid frame to prevent swing of wire at high gas velocity.
采用刚性框架固定极线，以防止其在高气速下摆动。
2
Stuldies on the Mach reflection of spherical shock wave produced by electric exploding metallic wire on rigid wall were carried out in this paper.
本文对金属丝电爆炸产生球面激波在固壁上的马赫反射作了研究。
3
Our steel spirals are made of imported nylon-coated wire. The outer are coated with bright color, thin and well-proportioned nylon, the inner are made of rigid steel.