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关注：1
2013-05-23 12:21
求翻译：钻机稳定地安装在钻孔的一侧，钻机支承垫木不得压在孔口钢护筒上；是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
钻机稳定地安装在钻孔的一侧，钻机支承垫木不得压在孔口钢护筒上；
问题补充： |
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2013-05-23 12:21:38
Drilling rig mounted on a stable side, not rig support skids steel casing pressure on the orifice;
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2013-05-23 12:23:18
To install the borehole drilling rigs stability of drilling rigs, the side support mattress gallery shall not put pressure on openings in nursing and on steel;
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2013-05-23 12:24:58
The drilling machine installs stably in drill hole one side, the drilling machine supporting bolster does not have to press in the manhole steel protects in the tube;
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2013-05-23 12:26:38
To install in the drilling rig stability on one side of rig support pad wood shall not be in orifice on the steel casings;
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2013-05-23 12:28:18
Drilling rig mounted on a stable side, not rig support skids steel casing pressure on the orifice;
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