大坝观测孔有效铅垂空间的确定-中国矿业商务网_资讯中心 关键词 大坝 观测孔 孔斜 有效圆 约束圆 [gap=441]Key words dike-dam, observation hole, hole deviation, valid circle, restrained circle
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Manhole, observation hole and measure hole are set on the wall.
炉墙上设有人孔门、观察孔和测量孔。
For the oil level gauge, observation hole and the best use of natural materials, glass or polyamide materials.
用于油位计、观察孔等的材料，好使用天然玻璃或聚酰胺材料。
Recognition of aquifer with both unite pump experiment data and long-time observation hole data in numerical model parametric recognition process gets a good effect.
在数值模型参数的识别过程中采用了联合抽水试验资料和长观孔资料对含水层参数进行识别，得到了较好的效果。
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