波纹膨胀管
corrugated expandable tubular
corrugated expansion pipe
波纹膨胀节
corrugated Expansion Joint
bellows
bellow expansion joint
bellow
二次冲波—膨胀波理论
second-order shock-expansion theory
通货膨胀膨胀调整系数
automatic direction finding equipment
波纹波导辐射器
Ripple-wall waveguide launcher
检波器波跳校直图
geophone break aligned plot
膨胀波发射机理
launch mechanism of rarefaction wave