手进给 hand feed

手动快速进给 HIGH

手动连续进给 JOG

手把给进岩心钻机 lever feed core drill

手把进给岩心钻机 hand-feed core drill ; feed core drill

手动给进 hand-operated feed ; manual feed

手进给轮 hand feed wheel

手动进给旋钮 manual feed knob

手进给穿孔机 hand feed punch