[ 第三人称单数 underprops 现在分词 underpropping 过去式 underpropped 过去分词 underpropped ]
V to prop up from beneath (用柱)支撑
This paper introduced the blasting of an underground outsize underprop in complicated conditions in detail.
介绍了在复杂环境下爆破拆除一地下特大钢筋混凝土支撑的技术难点。
And the therapeutic strategy performed by the outer underprop has the advantage of easy performance, safety, availability. It is worth popularizing.
外支撑架的手术治疗方法是一种简单、安全、有效的治疗方式，值得进一步推广。
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