double-ended spanner

释义

双头扳手；

Technology of the Cold Die Forging of Double Ended Spanners
Ratchet key, particularly double-end ring spanner, single-end ring spanner and flat ratchet key for tightening and loosening of scre...
マニュアルおよび CAD による設計・製図教育の比較と検討
Comparison and Discussion of the Education of Designing and Drafting by Manual and CAD
God Is in the Detail; Spiritual Matters with Reverend Chris Sparks
Combination wrench with greater strength and torque
Extra long wrench handle
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Tappet wrench
ROTATING CANTILEVER POST