他扎根煤海,用勤奋书写了青春的印迹;他立足岗位,用知识谱写了技能型员工的风采;他被誉为矿山四大机械的“内科专家”。他就是获陕煤集团铜川矿业公司王石凹煤矿“首席员工”殊荣的机电区电工组长张军海。 He took root in the sea of ​​coal and diligently wrote the marks of youth. He set his foot on the job and used his knowledge to write about the style of skilled employees. He was hailed as the “medical expert” of the four major mines in the mine. He is Zhang Junhai, the electromechanical area electrician leader who won the “chief employee” award of Shaanxi Coal Group Tongchuan Mining Company Wang Shikuang Coal Mine.