permagn.清洁金属用粉
permn.电烫发v.电烫(头发)
permeation property透气性
permuted redundancy末端重复循环排列丰余
permeability tuning导磁调谐
permeability alloys导磁合金
permeance resistance防渗工程
permeating the plant渗进作物内部
permonosulfuric acid过一硫酸
permeability of coal煤岩透气性
permucosal extention愈合基台
permeability barrier透性障