杜绝机译,请放心采用.探放水surveying water,
Abstract:Aiming at the practical problems experienced during the construction process of roadway excavation this paper describes the important significance of surveying water in the construction of roadway excavation,and points out some problems that should be paid attention during surveying water,so as to ensure the safety of surveying water work and ensure the water-proof safety of roadway excavation work in coal mines