依据实际勘探资料，深刻分析了大厚度粗粒含水层井损值的影响因素。
According to actual exploration data, it is analysed influence factors of big grain and thick-beded aquifer's well loss.
应用桥式滤水管证明了在松散岩类粉细砂含水层开采时，可减少勘探施工和生产管理成本，应大力推广。
For utilizing the groundwater resources in aquifer of fine silt and decreasing producing cost of water, the bridging filter shall be positively popularized.
应用推荐