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“绿色”在建材市场上“风光”了一年。什么是绿色建材?现在市场上有多少绿色建材?我们茫然,我们不得而知———
“Green” in the building materials market, “scenery” for a year. What is green building materials? Now how much green building materials on the market? We are at a loss, we do not know ---