books خلوص رأس اللولب
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# threading screw
# screw thread gauge
# party clearance
# bearing clearance
# crawl and clearance
# Mold clearance
# frontal clearance
# angular clearance
# chair clearance
# perforated clearance
# axial clearance
# clearance angle
# tip clearance angle
# Thinking of clearance?
# Fixing with a screw head
# screw head
# double helix
# logarithmic spiral
# Purple Helix Trick
# IUD removal
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خلوص رأس اللولب (Info)
خلوص رأس اللولب:- خلوص نصف قطري بين قمة سن اللولب وقاع اللولب المولج فيه. (معجم الهندسة الميكانيكية)
