Troubles of "mixed rosin" appeared at present made the disproportionated rosin manufacture some difficulties that many disproportionated rosin products cannot reach quality index of many customers or may result in higher production cost.
目前出现的"混合松香"问题,使得一些歧化松香生产厂家遇到了一些困难,生产出来的歧化松香产品达不到广大客户的质量指标要求或者提高了生产成本。
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