氨合成塔进出物料换热器的检验与焊接修复氨閤成塔進齣物料換熱器的檢驗與銲接脩複 안합성탑진출물료환열기적검험여한접수복 Inspection and Welding Repair of Heat Exchanger for the Material Fed or Discharged on Ammonia Synthesizer
万方数据
中国锅炉压力容器安全中國鍋爐壓力容器安全중국과로압력용기안전 CHINA BOILER AND PRESSURE VESSEL SAFETY 2003年2期46-49,共4页