In view of the problems existing in inspection, repair and operation of the exchanged bogies for heavy oil tank cars from Russia, relevant counter measures and scheme of solution are put forward.
针对俄罗斯粘油罐车换装转向架在检修、运用中存在的问题，提出相关对策及解决方案。
Finally there are mechanical skimmers - ideal for retrieving heavy oils - which use metal tooth discs, grab buckets and drum separators to remove the oil then pump it into a tank.
最后还有从回收重油方法改进而来的机械分离器，采用金属齿轮盘将油捞起，然后采用分离机将油分离出来放到储罐中。
Mobile crane is a general or special the heavy lifting the chassis on the work and equipment, cranes, retractable type mainly adopt the oil tank movement.
汽车起重机是在通用或专用在载重汽车底盘上装上起重工作装置及设备的起重机，主要采用伸缩式臂架，油缸变幅。
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