square-head screw 中文意思是什麼
square-head screw
解釋
方頭螺釘-
Fasteners. screws for screw - jacks. small square head screws with short dog point. product grades a and b. symbol qz
緊固件.螺旋千斤頂螺釘.帶短圓柱軸止端的小四方頭螺釘.和級產品.符號 -
Screw with square head
方頭螺釘 -
Accessories of multi - spindle horizontal automatic lathes. square head screw. dimensions
臥式多軸自動車床輔具.方頭螺釘.尺寸
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