一体式法兰球阀 碳钢手动高温排污球阀Q41M-16C
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软密封硬密封 O型开关切断 法兰气动球阀Q641FQ641H
¥490.00
中型重型蒸汽导热油手动铸钢法兰截止阀J41H-16C
¥150.00
大体化工部304不锈钢手动法兰截止阀J41W-16P
¥360.00
高温蒸汽 法兰连接 A105手动锻钢截止阀J41H J41Y
¥115.00