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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.在今年艾美奖上，JuliannaMargulies到手的「最佳情节剧女主角奖」被半路杀出的KyraSedgwick抢走，真是令人始料未及。不过，JuliannaMargulies自称并不看重荣誉。在上季结尾，Peter高调重返政坛，而Alicia在最后关头接到了Will打来的「求爱」电话。与此同时，新公司的命运令人担忧－－与另一家公司合并后，Will和Alicia的前途很可能大受冲击。吝啬的CBS在描述新季首集时只用了一句话：与Will的感情和与Peter的婚姻让Alicia左右为难，Alicia必须做一个决断。A2. 1.7 Neck examination.Dark-brown: jiuxiong*, waxberry*, chestnut …Impeachment of the queen, asking the emperor to scrap the passbook like snowflakes, flew to the cabinet, the emperor...