subsidevi.沉没;平息;下陷
subsidence fracture沉降龟裂
subsidence recorder沉陷计
subsidence forecast沉陷预计
subsidence gradient下沉梯度
Subsidence analysis沉降分析
subside calculation沉降计算
subsidence features沉降特征
subsidence quantity沉降量
subsidence settling泥渣沉积
subsidence disaster沉陷灾害