extension spring meaning in English
牵簧。
Examples
- Cylindroid helical - coil extension spring
圆柱螺旋拉伸弹簧 - Verification of helical compression and extension springs testing machines
螺旋压缩和拉伸弹簧试验机的校验 - Cnc coiling machine , it may be produce the precision extension spring
万能电脑、弹簧成型机，也可生产相当精密的拉力弹簧。 - Above precision extension spring suitable for camera and various types of switch
此第二产业表细的拉簧，适用于照相机各类型电器开关。 - Helical compression and extension springs - requirements for design , performance test method
螺旋压缩与拉伸弹簧.设计要求和性能试验方法