双向梯形丝杠平口钳为一种机械加工工具，用来代替老式平口钳（俗称虎钳）。

The utility model relates to a bi-directional gad tong with a trapezoid lead screw and pertains to a machining tool used for replacing an old gad tong (commonly known as a vise).

youdao

双向梯形丝杠平口钳为一种机械加工工具，用来代替老式平口钳（俗称虎钳）。

The utility model relates to a bi-directional gad tong with a trapezoid lead screw and pertains to a machining tool used for replacing an old gad tong (commonly known as a vise).

youdao