channel with trapezoidal section
trapezoidal with arc bottom open channel
box girder with trapezoidal section
open trapezoidal Channel
channel with compound section
channel with compound sections
channel with concrete lining
channel with U-shaped cross-section
Equal channel angle pressing ECAP
open trapezoid channel with curved bottom
a board with an inscription
A language with an extensible compiler
A state with an adequate legal system
aeration with an ejector
annealing with an electric field
anterior cervical instrumental system combining an intradiscal cage with an integrated plate
Boreholes on Circular Arc with Inclined Plane
constricting arc with flux strips