基本解釋[機械工程]半圓頭六角孔螺絲英漢例句雙語例句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(nèi)六角圓柱頭螺釘如排空，鑽孔頭，自鎖，等等。button head socket cap screws更多例句專業(yè)釋義機械工程半圓頭六角孔螺絲