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埋地燃气平板闸阀
1、埋在管线2、水泥浇注面3、阀室4、埋地介质5、阀室篇6、阀门7、放散管8、砖墙9、路面主要外形尺寸:DN(mm)尺寸(mm)LHH1H2A对焊法兰100305350见主要外形尺寸见主要外形尺寸140225150403450150300200419450150320250457457150360300502502160400350572572180470400610600180500500711700180570600813800200670700914900200770)