医生给患者看病需要有各种诊断仪器,如CT、B超、X射线仪等以帮助大夫做出正确的诊断。钢材的检验也需要借助一些仪器来帮助检测和分析,以保证产品的质量和达到某项技术要求。 为了有效地对钢材进行管理,防止不合格产品出厂,我国有关科研单位研制了SGZF型钢铁材质无损分 Doctors need to have patients with a variety of diagnostic equipment, such as CT, B-, X-ray equipment to help doctors make the right diagnosis. Steel inspection also need to use some instruments to help test and analysis to ensure product quality and meet certain technical requirements. In order to effectively manage the steel to prevent unqualified products from leaving the factory, relevant research institutes in our country have developed the non-destructive