“shaft boring”的概念、定义、翻译、参考文献-科学参考

单词	shaft boring
释义	shaft boring Encyclopedia 工学特殊凿井法释 shaft boring矿山钻井法用钻井机钻凿竖井井筒的特殊凿井法。在地面采用大直径钻井机向地层钻进竖井，以洗井液护壁并排渣，悬浮下沉预制井壁作为永久支护，实现人员不下井的机械化凿井方法。
随便看	Rembrandt lighting REMD remedial conservation remedial instruction remedial technology selection remediation chemistry of contaminated environment remediation criteria for contaminated soils remediation criteria for radionuclide contaminated soil remediation for heavy mental contaminated soil remediation of contaminated cultivated land remediation of contaminated sites remediation of fertilizer-contaminated soil remediation of heavy metal contaminated site remediation of heavy metal contaminated soil remediation of mining engineering remediation of pesticide contaminated soil remediation of petroleum-contaminated soil remediation of soil heavy metals in farmland remediation of soil organic pollutants in farmland remediation of soil polluted by plastic film remediation of soils contaminated by organic contaminants remediation technology for contaminated sites remedies of breach of contract Remedios Varo remedy

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