| 摘要 |
An electrical torque-indicating wrench of the present invention, capable of providing accurate measurements, comprising: a wrench body having a head to engage and turn a workpiece, and a stem having two supporting portions protruding from its side surface or the cavity surface of the stem; a handle coupled with the stem and operable to turn the head about the rotational axis; strain bodies including strain gages, said strain bodies disposed on said support means are adapted to provide measured values of the torque; and a torque indicating device which is connected to said strain bodies transfers the measured values into a visual presentation for viewing.
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