Ibelievethatmanyfriendswhousehotboxcoreshootershouldhaveencounteredtheproblemofpoorexhaust,andnowth
93Therearemanykindsofcastingdie,suchasalloydie,sheetmetaldie,plasticdie,stampingdie,castingdie,extrusi
96Thetechnicalindexofcoreboxhardeningofverticalcore-shootingmachineandtheexhaustsystemofcoreboxdesigned
103Infact,manyfriendshavesomemisunderstandingsaboutcastingmould,forexample,manypeoplemisunderstandthatthew
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