在伟大领袖毛主席关于“深挖洞,广积粮,不称霸”的战略方针指引下,经过批林整风,我厂工人、技术人员和干部高举鞍钢宪法的光辉旗帜,独立自主,自力更生于一九七三年一月试制成功一种新型快速放气阀,经过胜利、华北、江汉三个油田管理局钻井队进行工业生产试验,证明性能良好,深受现场石油钻井操作工人的欢迎。 Under the guidance of Chairman Mao’s great strategic guideline of “digging deep holes, widening grain and not seeking hegemony”, the workers, technicians and cadres of our factory held the glorious banner of Angang’s constitution after independence and self-reliance in 19 A new type of quick bleed valve was successfully trial-produced in January 1973. After successful triumphs, the North China and Jianghan Drilling Teams of the Three Oilfield Management Bureaus conducted industrial production tests, demonstrating good performance and being well received by on-site oil drilling operators.