The utility model solves the problem that compressed air station is not separately arranged in the air return laneway for a long time.
本实用新型解决了长期以来压风机站不能在回风巷道内分设的难题。
The utility model solves the problem that compressed air station is not separately arranged in the air return laneway for a long time.
本实用新型解决了长期以来压风机站不能在回风巷道内分设的难题。
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