linoleum needs to be dewaxed using a strong solvent.
需要一种强效溶剂给油地毡。
linoleum needs to be dewaxed using a strong solvent.
需要一种强效溶剂给油地毡。
Both hydrodewaxing and dewaxing without hydrogen have been commercialized in China.
馏分油临氢和非临氢降凝工艺技术均已工业。
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