This paper introduces a new wall protection method for drilling loose strata casing pipe wall protection.
本文介绍一种新的钻探松散地层护壁方法——套管护壁“三板斧”。
This is a reversal thinking operation concept against the pipe drilling method of casing pipe wall protection described in conventional books.
本方法与书本上所述的套管护壁跟管钻进方法有反向思维操作概念。
EPS plate heat preservation system is the key construction method, applied for heat preserving of the outside wall surface, to conform to the energy-saving and environment-protection requirements.
聚苯板外墙保温体系是目前符合建筑节能、环保要求的外墙保温技术体系的主要施工方法。
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