countersink
过去式:
动词过去式: countersunk
更多词形:
动词过去式: countersunk | 动词过去分词: countersunk | 动词现在分词: countersinking | 动词第三人称单数: countersinks |
单词例句:
countersink reamer
埋头孔铰刀
countersink angle
埋头孔角
countersink head Bolt
埋头螺栓
machine countersink
机用锥形锪钻
countersink head screw
埋头螺丝
To drive(a screw or bolt) into a countersink.
将钻或螺栓置入埋头孔
Orthopaedic instruments.Drills, taps and countersink cutters for use with osteosynthese screws with asymmetrical thread and spherical under-surfaces.
外科医疗器械.矫形外科器械.带不对称螺纹和球形下表面的骨缝术螺钉用钻、丝锥和沉头钻(Medico-surgical equipment.
combined drill and countersink
组合中心钻 带护锥复合中心钻
countersink porcelain teeth
瓷充填