K40-6-NO.16井下地面用矿用轴流风机
K40-6-NO.18井下用..
K40-6-NO.17井下用..
K40-6-NO.16井下地..
K40-6-NO.21矿用轴..
K40-6-NO.20矿用轴..
K40-8-NO.12井下辅..