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- three drum hoist 三滚筒提升机
- 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。
- 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
- When the three drums sound together, the generals, regimental commander and company commanders are all of one mind. 三种鼓声同时响起，表示将、帅、伯意图一致。
- Keywords drum hoist;stel rope;extrusion and friction checking computation; 缠绕式提升机;钢丝绳;“咬绳”验算;
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- Our family reunions are always three ring circus. 我家合家团聚的场面总是热闹非凡。
- The train arrived on the dot of three o'clock. 那辆火车三点钟准时到达。
- Her family lives three li away from her school. 她家住在离学校有三里路的地方。
- We spied three figures in the distance. 我们望见远处有三个人影儿。
- The earthwork was cast up in three hours. 土方工程在三小时内就完成了。
- It's three blocks straight ahead. 一直往前走过三个街区就是。
- The investigator will be divided into three groups. 所有的调查员将被分为三个小组。
- Three people can sit in the back of this car. 这车的后座可坐3个人。
- I did the calculation by the rule of three. 我是根据比例运算法则计算出来的。
- He is on night duty three days a week. 他一个星期要上三天夜班。
- He knocked back three pints of beer in ten minutes. 他在10分钟里喝了3品脱啤酒。
- It's three years to the day since we met. 我们整整三年没见面了。
- cylindrical drum hoist 缠绕式提升机
