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non-metallic造句
31. Is a sandblasting machine can use abrasive (metal and non-metallic abrasive abrasive) using compressed air force, spray the surface of the workpiece to a mechanical equipment. 32. It is expected that the method can be further developed for rapid analysis of smaller non-metallic inclusions . 33. It was revealed that: inhomogeneous distribution of the non-metallic inclusion and excessive bainite and tertiary cementite is the cause of cracking. 34. By means of the Laika automatic analysis software, non-metallic inclusion can be tested accurately and quickly data treatment and measurement by statistical method. 35. The penpoint fracture is main due to non-metallic inclusions and center segregation. 36. The invention relates to a method for removing non-metallic inclusion in molten steel. 37. The wettability similarity was applied to the water model experiment, by which the mechanism of non-metallic inclusion agglomeration in liquid steel was studied. 38. After discussing the behavior of Al and non-metallic inclusion in great details, the thesis advances the mechanism of Al-B system to improve impact toughness. 39. The paper describes that inorganic non-metallic film on surface of aluminum and its alloys were formed by electrochemical deposition of ceramic film ( EDCF ) technique. 40. The role and behaviour of non-metallic inclusions and precipitates within the developed non-quenched steel for plastic mould B20 and B30 were studied. 41. A uniplanar multi-electrode configuration is designed to detect the structure anomalies of non-metallic material component. 42. The amount, size and distribution of non-metallic inclusion in different positions of hard wire steel with different diameters were investigated by optical microanalysis.