operator guards是什么意思

用法例句

Computer simulation and test of operator guards of hydraulic excavators;

液压挖掘机保护结构计算机仿真与实验

Nonlinear Simulation and Test Technology for Mini-wheel Loader ROPS Performance;

小型装载机翻车保护结构性能非线性仿真与试验

The roll-over protective structures(ROPS) must have enough lateral rigidity to prevent deformation and assimilate a little energy when vehicle rolls over.

车辆驾驶室在翻车时受到巨大的冲击载荷,其翻车保护结构应具有足够的侧向刚度来阻止其变形,同时又要能够吸收一定的能量。