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Polylactic acid (PLA) is a new bio-based and renewable biodegradable material, which is made of starch raw materials proposed by renewable plant resources (such as corn). Starch raw materials are saccharified to obtain glucose, then glucose and certain strains are fermented to produce high purity lactic acid, and polylactic acid with certain molecular weight is synthesized by chemical synthesis method. It has good biodegradability, can be completely degraded by microorganisms in nature under specific conditions after use, and finally generates carbon dioxide and water without polluting the environment, which is very beneficial to environmental protection and is recognized as an environment-friendly material. This thing is actually a long piece, and then "curled up" in it and wrapped in a cylinder shape. What's the use? You will see it in a short time.她提着长剑虎视眈眈地对着那些虎狼般的南雀敌人，摆出拼命的架势，似乎突然变厉害起来。《芈月传奇番外篇之邪恶游戏》是爱奇艺、蓝蓝蓝蓝影视传媒（天津）有限公司出品的一部青春励志偶像剧，由许锋、陈雅婷、袁冰妍、曾祥程担任主演。该剧将于2015年3月份独家上线于爱奇艺。《芈月传奇番外篇之邪恶游戏》同名小说和阅读也同步独家首发。1932年淞沪抗战期间，化名陶兰的日特策划毁灭中共地下党小组，清洗助战抗日的上海帮会排会。潜伏在排会的地下党员沈放死里逃生，接洽新的党组织烽火小组，调查前党小组和排会遇袭真相，后因斗争需要脱离排会打入敌特，遭追求进步的妻子洪瑾儿误解，排会分裂。1936年，陶兰冒充地下党潜回上海，与其安插在国民党特务机关的爪牙元杰勾结，拉拢排会陷害沈放，迷惑烽火小组，推行旨在破坏抗日激化国共矛盾的苍龙计划。沈放和烽火配合，迷惑国民党反共势力，积极引导洪瑾儿，争取排会长老昌叔和主张抗日的国民党干员周一帆、陈白羽，破获并粉碎苍龙计划，跟陶兰元杰彻底清算，付出巨大牺牲，取得胜利，团结抗日力量，投入全民族抗战洪流。这误会就像一对年轻男女被认为是情侣，非常的尴尬且甜蜜。