综合脉冲与孔径
Synthetic Impulse and Aperture
综合脉冲与孔径雷达
synthetic impulse and aperture radar
bow-shock
synthetic impulse and aperture radar SIAR
bowshot
钻孔扩孔
bore hole drilling and enlarging
PE管冲孔
the punching of holes in PE pipe
钣金冲孔
sheet metal parts processing
爆炸与冲击
explosion and shock
Explosion and Shock Waves
不锈钢冲孔板
stainless steel punching plate
侧壁冲孔工艺
side panel piercing technology
侧成形冲孔模
side-forming punching die
冲孔灌注柱
percussion drill hole grouting pile