浙江三队“三八”女子钻机，一支75年10月才组建，最高工龄二年多，平均年龄不到二十的女青年，1978年夏天，在浙西开化县环玉山香炉岭，当年方志敏烈士英勇战斗的地方，使用JU—1500米钻机，金刚石小口径钻探方法，钻进了一个1803米深孔，创全国岩心 Zhejiang three teams “March” woman rig, a 75 years in October before the formation of the highest seniority of more than two years, the average age of less than 20 young women in the summer of 1978, Kaihua County, Zhejiang Huan Yu Shan incense ridge, then Fang Zhimin martyrs fighting place, the use of JU-1500 m drill, diamond small diameter drilling method, drilling a hole of 1803 meters, creating a national core