常見例句A tool for making a countersink. 做螺絲釘孔的工具To drive(a screw or bolt) into a countersink. 將鉆或螺栓置入埋頭孔Orthopaedic instruments.Drills, taps and countersink cutters for use with osteosynthese screws with asymmetrical thread and spherical under-surfaces. 外科醫(yī)療器械.;矯形外科器械Keywords countersink diameter;peg;grip; 鉆孔直徑;銷釘;握著力;drill and countersink combination 尖角鈍角兩用鉆multiple-cutting edge countersink 多刃錐口鉆 返回 countersink