drum line printer 鼓式宽行打印机 ; 磁鼓宽行打印机
Automatic drum line 全自动桶装生产线
Preheat oven drum line 预热烘炉滚筒线
coke drum overhead gas line 焦炭塔顶挥发线
drum-type line hauler 滚筒型扬绳机
purse line drum 括纲卷筒
polygonal line drum 折线卷筒
high-speed drum product line 高速卷筒生产线
To control the tray down a steady pace to avoid collision, in the drum line at intervals of a certain distance from one set of damping system.
为控制托盘以稳定速度下滑，避免撞击，在滚筒线上每隔一定距离设置一套阻尼系统。
Drum line at a certain Angle of inclination fixed to the shelf beam, the tray from the high-placed, along the drum line from their own gravity down.
滚筒线按一定角度倾斜固定在货架横梁上，托盘从高端放入，沿滚筒线靠本身重力下滑。
Install newly cut fast line into the drawworks drum and fasten the clamp with the torque wrench.
把刚割断的快绳头装到绞车辊筒内，用扭矩扳手上紧活绳头卡子。
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