cheese-head screw 中文意思是什麼
cheese-head screw
解釋
圓頭螺釘-
Fillister raised cheese head screw
球面圓柱頭螺釘 -
Slotted cheese - head screw
開槽圓柱頭螺釘 -
Cheese - head screw
有槽凸圓柱頭螺釘
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