膨胀波技术
inflation wave technology
压缩膨胀波
compressional dilatational wave
二次冲波—膨胀波理论
second-order shock-expansion theory
膨胀波发射机理
launch mechanism of rarefaction wave
自行火炮
SP howitzer
self-pull gun
self-propelled gun
self-propelled guns
self-propelled of gun
self-propelled artillery
automatic gun
Self - propelled gun
self - propelled howitzer
self propelled gun
wheeled self-propelled artillery
the self propelled gun
Carriage motor
automatic aiming
self-propelled
howitzer
self-propelled artilary