permagn.清洁金属用粉
permn.电烫发v.电烫(头发)
permuted cyclic code排列循序码
permutable hierarchy可置换谱系
permeability to heat热的可透度
permalloy pole plece坡莫合金极块
permeability of soil土壤渗透性
Permeability surface表面通透性
permuted title index[计] 置换计数器
permeabillzecl ceils透性化细胞
permeation analgesia表面无痛法