The green sand mold with even density and proof of the impact of liquid metal is one of the critical factors in the production of quality casting.

紧实度均匀、能抵抗金属液体冲击的合格砂型是保证铸件质量的关键因素之一。

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Raw materials, compound, casting, maintenance and acidification in the construction of high density acid proof concrete are described.

详细介绍了密实性耐酸混凝土的原材料、配制过程、浇注、养护及酸化处理等。

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The current transformer is totally-enclosed casting of epoxy resin with support type structure. It is resistant to pollution, damp - proof and it is suitable for tropical regions.

本型电流互感器为支柱式结构，采用环氧树脂全封闭浇注，耐污染及潮湿，也适宜于热带地区。

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The thought greets Vince Camden as he sits up in bed, frantic, casting around a dark bedroom for proof of his existence and finding only props: nightstand, dresser, ashtray, clock.

NPR: Excerpt: 'Citizen Vince'