coarse thread screw 中文意思是什麼
coarse thread screw
解釋
粗螺紋螺釘-
Juncture application of coarse screw thread reinforcing steel bar coop of main piers in xigang viaduct
鐓粗直螺紋鋼筋接頭在西港高架橋主墩鋼筋籠連接中的應用 -
Coarse thread screw
粗螺紋螺釘 -
Screw and washer assemblies with coarse thread - part 5 : with captive conical spring washer
粗牙螺紋螺釘和墊圈組件.第5部分:帶錐形彈簧墊圈
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