These include not only the magnitude and type of load but also other factors such as contamination, corrosion, load and movement cycles of high frequency, and shock loads.

• 这些工作条件不仅包括负荷的大小和类型,而且还包括其他因素,如污染、腐蚀、负荷和高频率运动周期以及冲击负荷。