Objective to analysis method, complication and effect of needling bleb to treat early failure bleb.
目的分析针分离术对早期失败的滤过泡的治疗方法、并发症及效果。
This paper makes a thorough analysis of the structural failure of early built factory buildings and introduces the way of reinforcement.
对二、三十年代建造的老厂房结构破坏的原因进行分析，并提出了维修加固方法。
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