管汇、管段预制
发布时间：2020-09-07 16:53:33
执行标准：ASME B31.3 Process Piping for Chapter IX “High Pressure Piping”ASME IX Welding and Brazing QualificationsAPI 6A Specification for Wellhead and Christmas Tree EquipmentNACE MR0175 Pet
执行标准：
ASME B31.3 Process Piping for Chapter IX “High Pressure Piping”
ASME IX Welding and Brazing Qualifications
API 6A Specification for Wellhead and Christmas Tree Equipment
NACE MR0175 Petroleum and natural gas industries—Materials for use in H S containing Environments in oil and gas production—Parts 1, 2, and 3
