青云翻译

3.1.9.4.3 In order to prevent leakage when the jet blast and air-release, reduce the number of shift work to improve the efficiency of utilization and abrasive, pre-construction should take full account of the whole structure, reasonable arrangement jet location, jet routes proposed.

3.1.9.4.3 sand in order to prevent leakage spraying and air-and-drop, reducing the number of displacement increase the utilization of abrasives and efficiency, should be fully into account before construction on the entire structure, reasonable arrangement of Jet locations, to develop Jet routes.

3.1.9.4.3 sand in order to prevent leakage spraying and air-and-drop, reducing the number of displacement increase the utilization of abrasives and efficiency, should be fully into account before construction on the entire structure, reasonable arrangement of Jet locations, to develop Jet routes.