left screw是什么意思

用法例句

In this paper Monte Carlo method and Finite Elements Method are used to check the strength of skewed propeller blades,and reliability of skewed propeller blades is analysed to educe the reliability coefficient.

本文用有限元方法并结合MonteCarlo法校核了侧斜螺旋桨的强度 ,在此基础上对侧斜螺旋桨强度进行了可靠性分析 ,得出相应的可靠度系数。