buttress thread form 中文意思是什麼
buttress thread form
解釋
鋸齒形螺紋-
Buttress inch screw threads 7 45 form with 0. 6 pitch basic height of thread engagement
0 . 6螺距基礎高度的螺紋嚙合連接的英制斜梯形螺紋 -
Buttress thread form
鋸齒形螺紋
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