The leakage current must be returned to the source, it will flow through any available thermocouple conductor, line pipe, pipeline, water or earth went to the source.
漏泄电流必需前往至源极，它将流经任何热电偶可用的导体、线管、管道、水或大地前往到源极。
2
The rocks that are our ancestors, Mother Earth, the sky, the sacred pipe that they smoke, the Indians view all things as spiritual.
那些我们的祖先化成的岩石、地母、无空、他们抽的神圣的烟斗，印第安人把一切都看成是有灵性的。
3
Soil pressure control is one of the most important technology of pipe pushing engineering with earth balance shield machine.