标准代号标准名称标准代号标准名称JB/T9093-1999蒸汽疏水阀技术条件BS6023-1981蒸汽疏水阀术语GB/T12248-1989蒸汽疏水阀术语BS6024-1981蒸汽疏水阀标志GB/T12249-1989蒸汽疏水阀标志BS6025-1982蒸汽疏水阀出厂检验和工作特性试验GB/T12250-1989蒸汽疏水阀结构长度BS6026-1981法兰连接蒸汽疏水阀结构长度GB/T12251-