permanent set永久应变[变形],永久变定(物),最后凝结,固定装置permanentadj.永久的；持久的n.<口> 烫发permanent vegetation永久性植被permanent prosthesis永久性假肢permanent line stake永久线路橛permanent hard water永久硬水permanent bench mark固定水准点,永久水准基点Permanent Magnet MRI永磁MRIpermanent monitoring永久监测permanent employment终身雇用; 永久雇用permanent settlement定居permanent difference永久性差异