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基于三维CAD模型直接驱动设备,采用砂型/芯直接切削工艺、切削打印,以及挤压切削一体化等工艺制造出性能可控的砂型砂芯或其复合成形单元,经坎合组装或合箱构建出铸造用的复合铸型。
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hydrocarbon oxidation catalytic materials
hydrocarbon poisoning
hydrocarbon ratio method
hydrocarbon reforming
hydrocarbon reservoir dynamic geology
hydrocarbon resin
hydrocarbon rich fuel
hydrocarbon source area
hydrocarbon sulfonate collector
hydrocarboxylation
hydrocarbyl group
hydrocarbyl nontransition metal
hydrocarbyl transition metal
hydrocele
hydrocenosis
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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
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