button head socket cap screws

基本解释

• [機械工程]半圓頭六角孔螺絲

英汉例句

雙語例句

• Includes Low Head, Button Head, and Flat Head Screws, as well as special Socket Cap Screws such as Vented, Drilled Head, Self-Locking, and more.
  包括低壓頭，半圓頭及平頭螺絲以及特殊內六角圓柱頭螺釘如排空，鑽孔頭，自鎖，等等。

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专业释义

機械工程

• 半圓頭六角孔螺絲