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ѹPN1.0~16.0Mpa
ͨDN15~1000mm
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Ʊ׼GB/T12234
ṹȣGB/T12221
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׼JB/T9092GB/T13927
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        բҪǿ ͵е㲢ڷе Ũ70%µڴп͵250µŨȵĴ ЩʴŨȵļҺڼΨһ޶ʴ

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