One of his jobs was to test the horsepower on battleships, using a meter with a torsionspring inside.
他从事的其中一项工作便是使用一种内有扭力弹簧的仪表来检测战舰的马力。
2
Steel wire rope breaking device and torsionspring breaking safety device.
防钢丝绳断裂装置、扭簧断裂安全装置。
3
Automatic speed regulating apparatus as defined in claim 1 in which the torsionspring is connected to the hub by means of a resilient portion constituting an overload protection and damping device.