大直径径向渗透率仪
full diameter radial permeameter
径向扩散系数
radial diffusivity
radial diffusion coefficient
孔径径向扫描
Radial scanning aperture
radially scanning aperture
迫导向径向转向架
forced radial bogie
forced-steering radial truck
轴向–径向磁悬浮轴承
axial-radial magnetic bearing
轴向-径向组合迷宫式汽封
combined axial and radial labyrinth
自导向径向转向架
self-steering radial bogie
self-steering radial truck