Punch presses are usually driven by electric motors.
冲床通常由电动机驱动。
This paper deals with the size optimization of the mechanism of M12B punch presses.
本文对M12B型冲压机的机构尺寸进行了优化。
The punch pushes against the workpiece, which is held in the die. Punch presses are usually driven by electric motors.
冲头推压装于模具中的工件。冲床通常由电动机驱动。
The punch pushes against the workpiece, which is held in the die. Punch presses are usually driven by electric motors.
冲头推压装于模具中的工件。冲床通常由电动机驱动。
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