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There are several kinds of water reducers: lignosulfonate, naphthalene sulfonate water reducing agent, polycarboxylate-based high-performance water reducing agent.…

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Recently, on Sinopec's annual results teleconference, the company representative answered questions about the oil prices, and said that the future trend of oil prices is still very uncertain, and it is expected to be around $100 this year and $85 nex…

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What are Hollow Glass Microspheres Used For?

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