【摘要】 介绍了制造大型全焊接结构球阀时所采取的一系列合理有效的工艺措施,为大型全焊接结构球阀的制造积累了可借鉴的经验。更多还原

【Abstract】 A series of reasonable and effective technological measures adopted in the course of manufacturing the large-size ball valve of all-welded construction were introduced, to accumulate the experience for reference in the field of manufacturing the large-size ball valve of all-welded construction.更多还原