工作面长采高容重回采率(机采)156.22.91.30.95机采产量w1工艺巷煤量w2应放顶煤量w3实放顶煤量w3’综四40278.98161347.8467367.66449109.0184进度顶煤厚z外报产量t顶煤回收率d工作面回采率c724.7893880.72y变量(z,t,d)工作面回收率c72.515367860.804603512工作面长采高容重回采率(机采)进度155.792.91.30.9545机采产量w1工艺巷煤量w2应放顶煤量w3实放顶煤量w3’y变量(z,t,d)综二25108.2848842.431055.602522456.7151845.58684983顶煤厚z外报产量t顶煤回收率d工作面回采率c3.5475650.7y变量(z,t,d)工作面回收率c0.813597626