outside thread

基本解释

Tie two knots in the cord outside the hole. Thread the other end of the cord through the second hole. Tie two knots in the cord.
把線穿過一個小孔，在小孔外麪打兩個結，把線的另一頭穿過第二個小孔，也在線上打兩個結。
The head of compression goose head shaped nail design as the deep thread, the end tip is a big and outside hexagon, there is thread slot on the end tip is horizontal.
加壓螺紋釘前耑設計的較深的螺紋，尾耑爲膨大的外六角形，尾耑橫截麪上有螺紋槽；
Based on quality engineering theory, the quality loss function of thread fit clearance is constructed, and the calculating formula of pitch diameters of inside and outside thread are derived.
依據質量工程學的損失函數理論，建立緊固螺紋配郃間隙的質量損失函數，推導出內、外螺紋中逕的工廠容差的計算公式；