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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.以東京下北澤為舞台，以「人生最差的一天」為主題，帶出11位劇作家的故事，包括進入懷疑違法經營色情場所的演員，和媽媽友去喝茶時看到丈夫男扮女裝的主婦等。古田演酒吧的常客，小池演該店的老闆娘，由他們的對話中展開1話完結型的故事。MDT decision-making needs to understand the views and tendencies of patients or their families on diagnosis and treatment.香荽被小葱牵着手，一直很安静，这时插嘴道：住不下也不要紧。最后，黄豆得了第一，黑鱼得第二，一个佃户的娃儿得了第三。该剧中的6个故事均以真人或真实事件为素材进行改编。从热心善良的社区志愿者到以排爆英雄杜富国和王铭为原型创作的传奇故事，从哈萨克族女村医的动人篇章到民间救援队的历练成长和大国工匠的热血传奇，再到大学生村官变身带货主播的新奇体验等等，呈现出各行各业的百态人生，更展现着新时代的新变化，以及时代浪潮下青年党员勇于担当、不懈奋斗的时代精神。