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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 workers are tunneling the hill.
工人们在凿山开隧道。
5.
the infernal racket of the jackhammers.
手提凿岩机的令人厌恶的轰隆声
6.
deep gorges gouged hundreds of metres into the bedrock;
深峡在岩床中凿人了几百米;
7.
He chiselled the figure of a woman out of that rock.
他把那块岩石凿成了一个女人的雕像。
8.
Miao beneath the center of the bed behind Dan, a small openings, to dig inside of the square pool.
妙华岩正中丹床的背后,有一小门洞,通往里面有人工开凿的方型水池。
9.
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。
10.
" 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
11.
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
12.
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
13.
Research on Adaptive Control Strategy of Double Triangle Boom of Rock-drilling Robot;
凿岩机器人双三角钻臂自适应控制策略研究
14.
The Simulation and Analysis of Kinematics and Mechanics for Light-duty Rock-Drilling Robot;
轻型凿岩机器人运动学及力学分析与仿真
15.
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
16.
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
17.
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
18.
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