vibrating circular pipe line circular
Back filling at abutment back of Bridge or culvert
back reaming and back transportation
Back-to-Back
对头拼接
背靠背
背对背的
背靠背结构
背对背
紧接的
背向式计数器
(improved) circular ba ck-propagation network
“8”-shape and circular wiring(FECW)
2-D circular low-pass filters
3D circular arc interpolation
3-dimensional circular weaving
4L circular loop antenna near a planar interface
8-shape and circular wiring FECW
a circular hole with two cracks
a circular section with fixed diameter
a fluid-loaded circular cylindrical shell
acceleration in circular motion