大直径径向渗透率仪
full diameter radial permeameter
金属诱导单一方向横向晶化
metal induced unilateral crystallization
纵向横向耦合共振
synchro-betatron resonance
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
转向直径检查
steering turn diameter check
自导向径向转向架
self-steering radial bogie
self-steering radial truck
大直径直缝焊管
Large－ sized straight weld pips
large-diameter butt welded pipe
large diameter longitudinal welded pipe
Large-sized straight welded tube