Initiated in China, Claybank split-off grouting is a new technology achieved success in dealing with hidden troubles in dykes.

摘要土坝劈裂灌浆是我国近年来研究处理堤坝隐患成功的一项新技术，属我国首创。

Grounding and its notices were probed into construction of trolley isolative wire. How to eliminate safe hidden troubles in construction was discussed also.

探讨架空绝缘线施工时的接地问题注意事项及如何消除施工中的安全隐患。

The number of youngster obesity is more and more with the standard of living's improvement.It is the hidden trouble to jeopard the youngster's health.

随着生活水平的提高,我国青少年人群中肥胖人数越来越多,已成为危及青少年健康的隐患。