fully automatic reperforator switching
全自动复凿孔机交换制
coupled reperforator and tape reader
复凿孔和纸带阅读两用机
paper tape puncher
纸带穿孔器纸带凿孔机
automatic reperforator switching
自动复凿机转换开关
Pionjar 120 motor drill and breaker
必安凿120钻孔机及轧碎机
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 machine that bores through hard surfaces, used especially for tunneling through rock.
凿岩机一种钻孔于坚硬表面的机器，尤用作凿穿岩石的隧道
The enterprise beijing langjin photoelectric industry co., ltd. offers Labelling machine among other things .
公司提供大量的穿孔机、凿岩机和贴标签机。
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
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
Development of Software for Large /Moderate Diameter Blasthole Drilling and Blasting CAD
大中孔凿岩爆破计算机辅助设计软件开发与研究
card puch reproduce check unit
卡片穿孔复制校对机
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
How do I use this (copy machine/ fax machine/ hole-puncher)?
这个（复印机/传真机/打孔机）怎么用？
a bit for enlarging the upper part of a hole.
用来扩大凿孔上部的一种钻头。
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
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。