Direction and control of production operations, paint, finishing and assembly operations of plas-tic component parts.
控制并导向塑料零配件的生产操作，涂漆，零件组装和组装操作。
With advances in material science and biomedicine. more and more importance has been attached to biodegradable polylactic acids (PLAs) composite.
综述了近年来聚乳酸类生物可降解高分子复合材料的研究进展。
With advances in material science and biomedicine. more and more importance has been attached to biodegradable polylactic acids (PLAs) composite.
综述了近年来聚乳酸类生物可降解高分子复合材料的研究进展。
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