查询词典 overhead crane

Shanghai Xiongfeng Lifting Equipment Factory is a new type of shareholding company with modern management system, specially producing lifting machinery, and is also a committee factory of overhead, single and double beam crane branch of China Heavy Machinery Industry Association.

上海雄风起重设备厂有限公司是以现代企业管理为理念的新型的股份制企业，专业生产起重运输机械，是中国重型机械工业协会葫芦、单双梁起重机分会委员厂。

For the high tensile bolt connection between girders and carriages of double girder overhead traveling crane with electric hoist, this paper analyzes the forces exerted on the bolts and gives their strength check procedures.

摘要介绍了葫芦双梁主梁与端梁连接的高强度螺栓的校核过程，通过分析高强度螺栓的受力特点，建立校核模式，总结校核步骤及方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。