我们在开拓夹界山运输巷道小,坚决贯彻党的安全生产方针,狠批林彪一类骗子所鼓吹的唯心论的先验论,坚持实践第一的观点,经过反复实践,反复认识,终于成功地使用了水沟通风,收到了良好的效果。 We are pioneering the development of Jiaolizhan mountainous roadway and resolutely implementing the party’s safety production policy. We are resolutely criticizing the a priori theories of idealism advocated by a class of liar like Lin Piao and upholding practice first. Through repeated practice and repeated understanding, we finally succeeded in using Ditch ventilation, has received good results.