To tune up, the guitarist tightens an adjustor screw at the bridge that alters the position of its corresponding spring, changing its leverage to obtain the right tension.
调音时，吉他手旋紧琴桥上的调整螺旋来修正所对应弹簧的位置，以此改变杠杆角度获得正确的张力。
2
The Spring Road bridge Replacement Project in Central Pennsylvania replaced a deteriorating 188-foot steel plate bridge, originally constructed in 1930.
宾夕法尼亚州中部的斯普林路大桥更换项目取代了最初在1930年建成，日益恶化的188英尺长钢板桥。
3
It is suspended and spring mounted within the Magnetic Bridge by two studs and adjustable wing nuts allowing the adjustment of the height of the sensors from the inspection surface.