double curve turnout in the same direction
Circulate line selection in double direction
double-in-double-out pulverizing mill
generator working in double direction
unsymmetrical double curve turnout
a law of run in opposite direction
inter-transportation of freight in opposite direction
Train running in opposite direction
150kA pre-baked anode cell arranged in double rows and end by end
2wire double direction
a fixed-point theorem in double cones
counting by double direction
Cu-In double-layer films
Ditch sowing in double-ridge mulched with plastic film
doping in double emitting layer
double - direction rinse
double curve arch bridge