According some molds repair need location by location hole,because time cost long that adjust location hole location in CNC machine,and location accuracy is low.
对于一些要以定位孔定位,进行修理的模具,由于调整定位孔在加工中心上的位置所花的时间长,并且定位精度低。
Alignment of the drill and the center of PCB standard hole in PCB location hole drilling machine is the key,which determines processing precision of the whole system.
印刷线路板（ Ｐ Ｃ Ｂ） 定位孔钻机中，钻头与 Ｐ Ｃ Ｂ 定位靶中心位置的对准是决定系统加工精度的关键，传统的方法是通过人眼或光学系统中的分划板进行瞄准。
Method of machining pin holes of headstock;
箱体件定位销孔的加工方法
paper tape puncher
纸带穿孔器纸带凿孔机
A groove or hole scooped with or as if with such a chisel.
凿孔；凿槽用凿挖出的或象是用这种凿子挖出的槽沟或空穴
fully automatic reperforator switching
全自动复凿孔机交换制
to get liquid from (the trunk of a tree) by making a hole in it
在(树干)上凿孔取液汁
A punching, perforating, or stamping tool, especially one used by a goldsmith.
尤指金匠用的凿孔器
a bit for enlarging the upper part of a hole.
用来扩大凿孔上部的一种钻头。
coupled reperforator and tape reader
复凿孔和纸带阅读两用机
a card on which data can be recorded in the form of punched holes.
能以凿孔形式记录信息的卡片。
to tap maple/rubBer trees
在枫树(橡胶树)上凿孔取树液
To shape or enlarge(a hole)with a tapered, serrated tool.
凿孔扩大用带齿的尖的工具钻或扩大（孔）
an iron block cut with holes and grooves to assist in the cold-working of metal.
一种在金属冷加工中起辅助作用且带有凿孔、凹槽的铁块。
A square-shanked chisel that fits into a square hole in an anvil.
方柄凿一种与铁砧的方孔相吻合的方形柄凿
Pionjar 120 motor drill and breaker
必安凿120钻孔机及轧碎机
To make a hole in or through, with or as if with a drill.
钻，凿，开洞用或似用钻打洞或钻孔
The electrician chiseled a hole in the wall to fit a door bell.
电工在墙上凿了个孔,以便装上门铃。
He chiselled a hole in the door to fit a new lock.
他在门上凿了一个孔, 以便装一把新锁。
Drill jig size calculation of the double inclined holes in the handle of YT 24 rock drill
YT24型凿岩机柄体双斜孔钻模尺寸计算
a board perforated with regularly spaced holes into which pegs can be fitted.
这块板子上面均匀地凿有孔，这些孔可以插钉子。