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KA－2M－300型钻机快速脚踏倒杆器是我队在技术革命运动中的一项创造,实际使用的经验证明,用脚踏倒杆器不仅比用给进把倒杆安全迅速,而且减轻了体力劳动,现特介绍如下:
The KA-2M-300 drilling machine’s fast pedal reversing device is a creation of our team in the technological revolutionary movement. The experience of actual use has proved that not only is the pedal recliner safe and rapid, but also Reducing physical labor is introduced as follows: