SPACn.可伸缩性的体系结构计算机span.矿泉；温泉浴场；水疗Spagnolacchi斯帕尼奥拉基spacing hole空号孔spacing rate空隙率Spacial hole空间方位孔spading disk翻土圆盘Spafial form空间形态spall hammer碎石锤spacing shim限位填片spacing tube隔离套筒spalling rib防片帮