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expendable pattern casting造句
Mouldfillingoflow-pressureexpendablepatterncastingprocessformagnesiumalloysThecharacteristicsandadvantagesofexpendablepatterncastingprocesswithdrysandandvacuumarebrieflyintroduced.Theresearchstatusont...
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expendable pattern造句
expendablepatternmaterialMouldfillingoflow-pressureexpendablepatterncastingprocessformagnesiumalloysThecharacteristicsandadvantagesofexpendablepatterncastingprocesswithdrysandandvacuumarebrieflyintrod...