The functionalization principle and processing methods of PVC functional materials were introduced.介绍了PVC功能材料的功能化原理和加工方法.Methods: The medicine materials is decoction distill and concentrate with liquid.方法: 药材共水煎煮提取、浓缩,制成...
在最得意的时候要谦虚.Be modest when you are on the crest of the wave.简森新买的玩具火车是他得意的东西.Jason's new toy train is his pride and joy.她的声音里带有一种极为得意的语气.There was a positively triumphant note in her voice....