IMPROPER CROSS SEAM AT JOINING SIDE SEAM
neck trim join seam placed 1” from shoulder seam at back
combination of gas turbine and gas turbine {= COGAG}
combination of gas turbine and steam turbine {= COGAS}
combination of gas turbine or gas turbine {= COGOG}
cross-inlet water turbine(cross turbine)
20 m VERY THICK AND MEDIUM HARD SEAM
abnormal coal seam thickness
accumulated total coal seam thickness
allochthonous coal seam