短語(yǔ)詞組短語(yǔ)partial joint penetration 接頭部分銲透partial -penetration weld 侷部熔透銲道partial penetration welding 部分銲透銲縫partial penetration weld 非全熔透銲縫;非全融透銲縫gauge bob partial penetration 不完全穿透partial penetration butt weld 未銲透的對(duì)接銲縫well of partial penetration 非完整井partial penetration resistance 貫入阻力 返回 partial penetration