... percussive rotary drilling 冲积转式钻眼 percussive welding 冲桓 perfect black body 绝对黑体 ...
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resistance percussive-welding [机] 电阻锻接
electrostatic percussive welding [机] 静电冲击焊
electromagnetic percussive welding 电磁冲击焊
arc percussive welding 弧震熔接 ; 电弧冲击焊
electromagnetic effect percussive welding 电磁冲击焊
electrostatic convergence percussive welding 静电冲击焊
percussive arc welding 冲击电弧焊
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