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- two drum hoist 双滚筒提升机
- Drawwork system can adopt teo types: drum hoist and double drum hoist.The main drum hoist adopts integral Ribas rope slot. 绞车系统可采用单滚筒和双滚筒两种形式，主滚筒采用整体式里巴斯绳槽。
- Along with the continual increse of the cargoes of a drum hoist,we usually fortify the thickness of the drum to ensure the drum's strength. 随着提升机的货载量不断加大,为保证卷筒强度,通常采用增加壁厚的办法,但这却给钢板的加工、焊接带来很大的困难。
- King Law Ka Shuk is a traditional three-hall building with two open courtyards. It is fronted by two drum terraces each having granite columns supporting the roof. 敬罗家塾为传统的三进两院式建筑,门前建有两个鼓台,鼓台上各有两支花岗岩支柱,承托屋顶。
- Generally speaking, a printing plate surface slightly diffuse reflection, but not too bright, the bumper between two drum pop3_no_messages drops of water. 凡是的来说，印版暗不天略有漫反射，但不太光，两滚筒之间的保险杠上无火滴即可。
- Dynamic research on cage elastic supporting impact of a drum hoist 缠绕式提升罐笼弹性承接冲击动力学
- The two systems of government are polar opposites. 这两种政体正好相反。
- Keywords drum hoist;stel rope;extrusion and friction checking computation; 缠绕式提升机;钢丝绳;“咬绳”验算;
- The business is owned by two partners. 这家商行为两名合伙人所拥有。
- She has two cars and in addition a motorboat. 她有两辆轿车外加一艘汽艇。
- The meat marinated in the brine for two days. 这块肉在盐水里泡了两天。
- At that time he had two helpers. 当时他有两个助手。
- Kindly send us two samples of each class quote for. 报价时，请对每一个等级的各寄两个样品。
- The two boys decided to play truant and go fishing. 这两个男孩决定逃学去钓鱼。
- A small adjustment will equalize the temperature in the two rooms. 稍作些调节就会使两间房内的温度相等。
- People in this locality used to take two meals a day. 这儿的居民过去每天吃两餐饭。
- He is out and about now after two weeks in hospital. 在医院住了两个礼拜後，现在他能外出走动了。
- He joined the two pieces of wood together with glue. 他用胶水将这两块木料黏在一起。
- The captain ordered two flags to be placed fore and aft. 船长吩咐在船头和船尾各挂一面旗子。
- The doctor is hoping to find two auxiliaries to work under him. 这位医生希望能找到两名帮他工作的助手。
