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覆膜砂芯用于熔模铸造望江机器厂刘勋ＵｓａｇｅｏｆＣｏｖｅｒＦｉｌｍＳａｎｄｆｏｒＩｎｖｅｓｔｍｅｎｔＣａｓｔｉｎｇＬｉｕＸｕｎ（ＷａｎｇｊｉａｎｇＭａｃｈｉｎｅｒｙＰｌａｎｔ）在一些引进的产品中，出现了在箱壁式壳壁上铸造管道，以代替液压系统的铜管；同...
Coated sand core for investment casting Wangjiang Machinery Factory Liu Xun UsageofCoverFilmSandforInvestmentCastingLiuXun (WangjiangMachineryPlant) In some imported products, appeared in the box wall shell casting pipe to replace the hydraulic system of brass;