three-edge-bearing method of testing clay pipes

例句：

1. 1. The three-edge bearing method is a widely used technique for determining the strength and integrity of clay pipes.
   三边支撑法是一种广泛用于确定黏土管强度和完整性的技术。
2. 2. In this method, the pipe is placed in a container with a small amount of water, and the weight of the container is applied to simulate the weight of the soil around the pipe.
   在这个方法中，管道被放置在一个装有少量水的容器中，容器的重量被施加以模拟管道周围土壤的重量。
3. 3. This method is particularly useful for detecting weak spots in the claypipes that may lead to leaks or other issues.
   这种方法特别适用于检测黏土管中的弱点，这些弱点可能导致泄漏或其他问题。