平衡滑轮 meaning in English

balanced roller
compensating pulley
equalizer pulley

A great number of calculating results show that eeabs is effective and practicable . in addition , the method has been successfully applied into optimum design of two types of range - changing mechanism of gantry crane and the software systems of optimization design and analytical calculation of straight - arm gantry crane and ? ptimization design and analytical calculation of balance pulley compensation gantry crane ? has been compiled
另外，作者还对基组结式消元法在两种门座式起重机变幅机构优化设计中的应用做了成功的尝试，并编制了“变幅补偿直臂架门机的优化设计和分析计算”和“平衡滑轮式补偿门机的优化设计和分析计算”软件系统。