单词	clear down signal
释义	clear down signal 话终信号
随便看	lignifying Lignin degradation lignin-degraded products lignin-degrading lignin-degrading bacteria Lignin-degrading bacteria lignin lignin acidizing separation lignin amine lignin-amine ligninase ligninases lignin-based carbon fibers Lignin-based epoxy resin lignin binder Lignin biosynthesis Lignin Biosynthesis and Genetic Regulation lignin building stone lignin building unit lignincarbohydrate complex lignin carbohydrate complex lignin-carbohydrate complex lignin-carbohydrate complexes lignin-carbohydrate complexLCC lignin-carbohydrate complex lcc