Drying machine of the filter before adding the automatic device should be drainage.
干燥机之前的过滤器应加装自动排水器。
2
The successful development of this drilling machine provided reliable safety equipment for coal mines to practise gas drainage technology by long holes.
钻机的研制成功为煤矿实施长距离钻孔抽放瓦斯工艺提供了可靠的安全装备。
3
The idling, designs specially uses in each kind of type drainage opening, the second quality item stave recycling use which the stave injection molding machine produces.