派克比例减压阀:压降从50兆帕至于1.6兆帕,可以调节排泄压力。 parker r5v12-393-12-09g0q-a1阀
parker r5v10-69532a125152阀门
parker r5p104953209g0qa1阀
parker r4v10-535-30-a1减压阀
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parker r4v03-533-10-p2gopa1比例阀
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parker r4v03-5331011w31a1p17液压阀
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parker r4r1059531b1,016-86139-0减压阀
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parker r4r03-535-11b1比例阀
parker r32m35s4sn液压阀
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