单词	v-y flap
释义	v-y flap V-Y字形瓣
随便看	punching field Punching force punching force blanace punching forcep punching forceps punching format punching forming punching foul punching.gear ring punching grout pile punching head punching hole cast-in-place pile punching hole diameter punching holes punching hole technology punching in punching it punching machine punching-machine punching machine auto-feeder Punching Machine for Vietnam Hoaphat punching manipulation punching mark punching matrix punching method