permanent job固定工作
permanentadj.永久的;持久的n.<口> 烫发
permanent synchronous machine永磁同步电机
permanent luminescent pigment恒效发光颜料
permanent-income hypothesis长期收入假设
permanent tension convolution恒张力卷绕
Permanent Naval Uniform Board海军制服常设委员会
permanent disablement benefit永久性残疾补助金
permanent-magnetic property永磁性质
permanent dual lumen catheter带Cuff长期静脉导管
permanent-completion packer永久完井封隔器
permanent/transitory model永久/暂时模型