books flat shell
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# Moderately soluble shell
# Flat on semi-flat land
# Peristalsis
# flat angle
# flat space
# flat geometry
# flat euclidean geometry
# flat wave
# flat mirror
# semi-flat masonry
# flat snails
# from flat surfaces
# solving flat triangles
# The image in a flat mirror
# Flat surface grinding
# Flat area and its applications in agriculture
# Reference in area 1 flat area
# Flat area for geographers and cartographers
# Flat area budgets and quantities
# flat area natural maps
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صدفة مستوية التحوى (Info)
صدفة مستوية التحوى:- صدفة قوقعية تتكون من حوايا ملتفة في مستوى واحد.ومثالها جنس: (Planorbis) (معجم الجيولوجيا)
