lever escapement meaning in English

叉式擒纵机构
杠杆式擒纵机构

Fundamental dimension series for lever escapement
叉瓦式擒纵机构.基本尺寸系列
Crank lever escapement
曲杆式擒纵机构
Technical requirements and verification for watches and watch movements ; watches with pin lever escapement
钟表及其精密运动装置的技术要求和检验.带针销式擒纵
Technical requirements and verification for watches and watch movements ; watches with pallet lever escapement
手表和手表机件的技术要求和检验.第1部分:棘爪叉瓦式