steep pitch of thread 中文意思是什麼
steep pitch of thread
解釋
螺紋大節距-
Round screw thread with clearance and steep flank with pitch 7 mm ; limiting dimensions of screw threads and allowances - permissible deviations and permissible wear of screw thread gauges
螺距為7mm的帶公差和斜側面的圓螺紋.螺紋的極限尺寸
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