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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.该剧以检察官为题材，讲述一宗跨越四十多年的复杂案件，建国以来三代检察官的生活、工作、家庭及成长经历，展现了检查机关在半个世纪里的艰难历程，讴歌了检查工作者的高尚情操和美好情感。Pianshou Sword 1.4CW的《#地球百子# The 100》第五季才播了2集，电视网就续订了第六季。Disney+宣布以8集首季直接预订《超越 Just Beyond》，这部诗选恐怖喜剧改编自BOOM!的畅销视觉文学，原作作者是R.L. Stine（就是《鸡皮疙瘩 Goosebumps》的作者）。改编版会由Seth Grahame-Smith负责。As initiatively mentioned, the selection of plants is crucial. Some of them have better stability, and color resistance, such as persimmon, yam, betel nuts, turmeric, and so on. From personal experience, the fixity of gardenia is hardly impressive, and the color easy fade-off when washed. This is only as a reference. If possible, using at least a few very stable plants, what at the beginning or on topMaintain the synchronization of material flow and information flow in production, so as to achieve the right quantity of materials, enter the right place at the right time, and produce the right quality products. This method can reduce inventory, shorten working hours, reduce costs and improve production efficiency.