Ibelievethatmanyfriendswhousehotboxcoreshootershouldhaveencounteredtheproblemofpoorexhaust,andnowth
130Therearemanykindsofcastingdie,suchasalloydie,sheetmetaldie,plasticdie,stampingdie,castingdie,extrusi
144Thetechnicalindexofcoreboxhardeningofverticalcore-shootingmachineandtheexhaustsystemofcoreboxdesigned
145Infact,manyfriendshavesomemisunderstandingsaboutcastingmould,forexample,manypeoplemisunderstandthatthew
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