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1.
Effects of Hand Transmitted Vibrations on Sperm Quality in Coal Mine Drillers
手传振动对凿岩工人精液质量的影响
2.
Terminology of rock drilling machines and pneumatic tools
GB/T6247-1986凿岩机械与气动工具名词术语
3.
THE RESEARCH ON ODD NUMBER ROCK DRILLING HOLLOW STEEL ROLLING PROCESS
凿岩用奇数边中空钢的轧制工艺研究
4.
The factory was set up for drill production in TAI-CHUNG.
于台中县青山设工厂,打造凿岩机用钻头。
5.
" Compressors,rock drilling machines and pneumatic tools-Preferred pressures"
GB/T4974-1989压缩机、凿岩机械与气动工具优先压力
6.
Test methods of performance for rock drilling machines and pneumatic tools
GB/T5621-1985凿岩机械与气动工具性能试验方法
7.
Measurement of vibrations in rock drilling machines and pneumatic tools--General
GB/T8910.1-1988凿岩机械与气动工具振动测量方法总则
8.
Measurement of noise emitted by rock drilling machines and pneumatic tools--Engineering method
GB/T5898-1986凿岩机械与气动工具噪声测量方法--工程法
9.
Shanks for rock drilling machines and pneumatic tools and fitting dimensions of chuck bushings
GB/T6374-1986凿岩机械与气动工具尾柄和衬套配合尺寸
10.
To break or chip(stone)with sharp blows, as in shaping flint or obsidian into tools.
敲碎用重击来撞碎或凿碎(石头),如把燧石或黑曜岩石制成工具
11.
Measurement of vibrations in rock drilling machines and pneumatic tools--Measurement for percussive machines
GB/T8910.2-1988凿岩机械与气动工具振动测量方法冲击式机器的测量
12.
Measurement of vibrations in rock drilling machines and pneumatic tools--Measurement for rotation machines
GB/T8910.3-1988凿岩机械与气动工具振动测量方法回转式机器的测量
13.
This drilling machine can be widely used.
所设计的凿岩机试验台完全满足工程要求,并获得推广。
14.
A pointed tool, such as a spike or chisel, used for breaking rock or ore.
钢楔一种如尖铁或凿子等有尖的,用于劈裂岩石或砂石的工具
15.
drill ,interchangeable, of base metal, for hand or machine tolls (excl. those for rock drilling or earth boring)
钻头,可互换式,贱金属制,手工具或机床用(不包括凿岩或钻土用钻机)
16.
Process Study for Cylinder Part of Hammer Drill and Special Fixture Design for Lathe
凿岩机缸体零件的工艺分析及车床专用夹具设计
17.
automatic rotation stopper
自动旋转伸缩式凿岩机
18.
bar rigged drifter
架式风钻,架式凿岩机