Dynamic stability of an electric fork-lift exerts direct effects on the performancequality, efficiency and safety.
电动叉车的动态稳定性直接影响其工作质量、效率与安全。
2
Abstract: the core part of the car engine, and its technical performancequality is a key factor in determining performance cars.
摘要：发动机是汽车的的核心部分，其技术性能的好坏是决定汽车行驶性能的关键因素。
3
The measurement of density and hardness of carbide tips is one of effective method to judge the real compositions of carbide tip and index of performancequality.