为了有效解决低压漏失井的井下清砂问题，研究开发了一种具有钻进功能的捞砂泵。
To solve effectively the problem of sand removing in low-pressure absorption Wells, a drilling sand pump was developed.
从捞砂泵的结构及工作原理入手，介绍了捞砂泵捞砂施工工艺特点及施工注意事项。
From structure and working principle of bailing pump, the paper introduces its operation feature and attention events.
从捞砂泵的结构及工作原理入手，介绍了捞砂泵捞砂施工工艺特点及施工注意事项。
From structure and working principle of bailing pump, the paper introduces its operation feature and attention events.
应用推荐