The invention relates to a cationic polymer dehydrator for sludge.本发明涉及一种用于污泥脱水的阳离子型聚合物脱水剂.The vibrating centrifugal dehydrator and scraper discharge centrifugal dehydrator are usually used in coal mine industry.振动离心脱水机与...
The submarine had had time to submerge before the warship could approach.潜水艇没等军舰靠近就及时潜入水下了。He is serving on a warship in the Pacific.他在太平洋海域的一艘军舰上服役.The warship was making towards the pier.军舰正驶向码头....