The research and test results show that single - direction mining and slope cutting in the middle of face may reduce workers ' labor , shorten the working looping time , fasten the working schedule and improve efficiency 研究和實測結果表明,在薄煤層工作面采用單向割煤、中部斜切進刀方式,不但降低了工人的勞動強度,而且減少了循環作業時間,提高了生產進度和效益。