alternate load

基本解释

The crankshaft is one of the most important components of engine, it endures complex and alternate load and it is the key point and difficulty of the engine design.
发动机曲轴是发动机中最重要的部件之一，它承受复杂、交变的冲击载荷，是发动机设计的重点和难点。
The results show that the effect of alternate load on surface residual stress relaxation of aluminum alloy plate mainly depends on the vector superposition of load stress and residual stress;
结果表明：交变载荷对铝合金板表面残余应力松弛的影响主要取决于加载应力与残余应力的矢量叠加；
rjggy.net
The alternate test of static load and dynamic load on RC beam serves the study of the frequency change disciplinarian from integrity to destroy of RC beam.
通过对钢筋混凝土梁进行不同荷载等级下静载和动载的交替实验，得到混凝土梁从完整到破坏的频率变化规律。