根据取样分析地表河水、钻孔内地下水对混凝土结构、对钢筋混凝土中钢筋、对钢结构均具微腐蚀性。
According to sampling analysis the surface river water and ground water in borehole have micro-corrosion on concrete structure rebar in reinforced concrete and steel structure.
在生产领域，激光可以用来钻孔、切割、连接、硬化以及进行表面改性和微加工。
In the area of manufacturing, lasers are used for drilling, cutting, joining, hardening, surface modification and micromachining.
方法对43例慢性硬膜下血肿患者行改良微创钻孔冲洗引流术。
Methods 43 patients with chronic subdural hematomas were treated by the improved minimally invasive surgery of drainage.
方法回顾性分析15例硬膜外血肿患者进行微创钻孔引流术的临床资料、手术方法和治疗效果。
Methods the clinical data, operative methods and therapeutic efficacy of the 15 cases with extradural hematoma treated with minimally invasive trepanation and drainage were analyzed retrospectively.
摘要：目的：对比高血压脑出血微创钻孔引流与小骨窗开颅血肿清除术的临床效果。
Abstract: objective: to compare the hypertension cerebral hemorrhage minimally invasive drilling drainage and the clinical effect of small bone window craniotomy hematoma removal.
为解决原地爆破浸出钻孔布液中存在的溶液分配不均匀问题，引用了微灌技术。
Uneven distribution of drill lixiviant for stope leaching was solved by adopting micro-irrigation technology.
结论：钻孔引流是一种治疗高血压脑出血安全、有效，并发症少的微创手术。
Coneteion: it is a safe effective, few complications and little injury therapeutic method.
结论：钻孔引流是一种治疗高血压脑出血安全、有效，并发症少的微创手术。
Coneteion: it is a safe effective, few complications and little injury therapeutic method.
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