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负压铸造
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负压铸造
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低压铸造
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vacuum mold casting
负压铸造
通过负压造型法造型,即抽真空形成负压,将干砂紧实成型,或通入硬化气体使自硬砂硬化成型,在该铸型中浇注铸件的铸造方法。又称V法铸造。
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hydro-chemical geography
hydrochemistry
hydro-chemistry of river
hydrochloric acid
hydrochloric acid-sodium hydroxide decomposition of rare earth concentrate
hydrochlorination
hydrochlorofluorocarbon
Hydrochlorofluorocarbon refrigerants
hydrocinnamic alcohol
hydrocleaning
hydroclone
hydrocole animal
hydroconsolidation
hydrocooler
hydrocortisone
hydrocracked tail oil
hydrocracking
hydrocyanic acid
hydrocyclone feeding density control
hydrocyclone feeding pressure control
hydrocyclones
hydrocyclone technology for sewage treatment
hydro-cylinder
hydrodiascope
hydrodrill
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