As Bashan raw jade stone impurities, structure, thick, headdifference, and making decorations, it must be handled manually.
由于巴山玉原石杂质多、结构粗、水头差,要做成装饰品,就必须经过人工处理。
2
The main influence factors of stability of foundation pit are discussed, especially the influence of seepage induced from headdifference.
讨论了影响基坑稳定性的主要因素,特别是由于水头差导致的土体渗流对基坑稳定性的影响。
3
The time and spatial effects of excavation considering the variation of water headdifference between the inside and the outside of a foundation pit were then investigated.