drilling rig是什么意思

用法例句

Because of its bad working environment and complex force, the drilling tools can be simulated by the finite element method (FEM).

钻探机具由于其恶劣的工作环境和复杂的受力情况 ,应用有限元分析方法可实现它的数值模拟 ,且具有明显的优越性。