在毛主席的革命路线指引下,我院职工以无产阶级专政理论,发扬自力更生,艰苦奋斗的精神,自己动手加工改制了一台轻便冲击钻机。这种钻机操作方便、灵活安全;提高了工 Under the guidance of Chairman Mao’s revolutionary route, the staff of the hospital took advantage of the theory of the dictatorship of the proletariat, carried forward the spirit of self-reliance and arduous struggle, and processed and transformed a portable impact rig. This rig is easy to operate, flexible and safe;