...流体静压式机械密封-hydrostatic mechanical seal 外加压流体静压式机械密封-outside pressurized hydrostatic mechanical seal 自加压流体静压式机械密封-self pressurized hydrostatic mechanical seal ..
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Outside pressurized hydrostatic mechanical seal|外加压流体静压式机械密封件 Self pressurized hydrostatic mechanical seal|自加压流体静压式机械 密封件 ..
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