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关注：1
2013-05-23 12:21
求翻译：④喷射前必须用高压风水冲洗岩面，在巷道拱顶、拱肩、拱基应安设喷厚标志。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
④喷射前必须用高压风水冲洗岩面，在巷道拱顶、拱肩、拱基应安设喷厚标志。
问题补充： |
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2013-05-23 12:21:38
④ before high pressure jet wash rock face feng shui, the tunnel vault, spandrel arch erection spray thick base should sign.
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2013-05-23 12:23:18
4 Jet before feng shui rinse must use high pressure, the tunnel arch rock-oriented, spandrel, arched base should fix spray thick marks.
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2013-05-23 12:24:58
④Before spraying must use the high-pressured geomancy flushing crag surface, in the tunnel arch, the spandrel, the arch base should install spurts the thick symbol.
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2013-05-23 12:26:38
④ spray you must rinse with high pressure Feng Shui rock surface, tunnel vault, spandrel, arched base Ying An sprayed thick signs.
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2013-05-23 12:28:18
④ feng shui with high pressure jet wash before the rock face, the tunnel vault, spandrel, arch base should be thick erection spray logo.
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