In time domain,impulse load is loaded on the marine power unites integrally first,then loaded on turboset and the gearcase respectively.

• 北京地区地层中含有大量的砂砾和卵石,地铁盾构施工时盾构机刀具受到高应力下的磨粒磨损和冲击作用,损耗严重。