... delayed development well 扩边井 Development Well Types 开发井型 field development well 田〕开发井 ...
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The company is specialized in the development and manufacturing of various types of precision mold, as well as the production and sales of mold products.
公司主营各类精密模具开发、制造以及各类模具制品的生产和销售。
The article reviews the development trend of world chemical fiber industry as well as the applications and research orientation of polyester fiber. Several new types of modified polyester fiber...
文章分析了世界化纤工业的发展趋势,并较系统地介绍了聚酯纤维的应用现状及研发方向,同时还介绍了几种新型的改性聚酯纤维及其使用领域。
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