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卫生级隔膜阀
Santation grade diaphragm valve
( 工业标准有：ISO.DIN.IDF等 ) |
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卫生级快装蝶阀
Hygienic level rapid
installation reed valve
( 工业标准有：ISO.DIN.IDF等 ) |
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卫生级球阀
Health ball valve
( 工业标准有：ISO.DIN.IDF等 ) |
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卫生级快装型三块式球阀
Hygienic level fast－assembly
three－part ball valve
( 工业标准有：ISO.DIN.IDF等 ) |
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