A three-legged ejector sleeve is adopted in the die casting mould to take cast stripping mould, the problem that the cast difficultly demould is solved.
采用三脚推管推出铸件，解决了轴套铸件脱模难的问题。
原声例句
魔法师
When she awoke, seeming difficultly to emerge from an eternal night, Arthur was holding down her head.
当她醒来时， 似乎难以从永恒的黑夜中醒来， 亚瑟正按住她的头。
面纱
Perhaps in his dying brain there passed the thought, confused and difficultly grasped, that he had only heard her use it, a commonplace of her vocabulary, to dogs and babies and motor-cars.