1·Conveyor belt plays a very important role in bucket wheel excavator continuous excavating system.
胶带输送机在斗轮挖掘机连续采掘系统中具有重要的作用。
2·The modified formula for the boom of large complicated bucket wheel excavator has been put forward under earthquake, included the local dynamic effect.
对大型斗轮挖掘机臂架，通过考虑局部动力效应，推导了在地震荷载作用下结构单元的修正公式。
3·This paper discusses test and determination of the predicting formula for cutting resistance cf coal and rock and be referred to use for design calculation of bucket wheel excavator.
介绍煤岩切割阻力试验和预测公式，以供轮斗挖掘机设计计算使用和参考。
4·The equations for calculating the adhering moment to the soil during swinging of the rotating platform of wheel type excavator are derived in this article.
本文推导出轮胎式挖掘机转台回转时地面附着力矩的计算公式。
5·Well-known structures and principle of construction machinery to Implement construction equipment training training before, specially crawler excavator ot wheel -loader.
熟知工程机械结构与原理，以前开展过工程机械技术培训，特别是履带式挖掘机或装载机。
6·We company sell used excavator, used dozer , used crawler crane, used truck crane, used wheel loader.
专业从事二手履带吊，二手进口挖掘机，越野起重机，进口推土机，进口装载机经营。