permanent law永久法律
permanentadj.永久的;持久的n.<口> 烫发
permanent water-table永久地下水位
permanent magnetic suck永磁吸附
permanent health policy长期健康保险单
Permanent magnetic roll永磁辊
permanent magent pickup永磁拾音器
permanent magnet pickup永磁拾音器
permanent perched water永久悬着水
permanent magnetization永久磁化
permanent precipitation永久沉淀
permanent ossuary niche永久骨库位