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- If a brand has a large number of suppliers and sufficient storage of raw materials，（）should not be set as the priority in determ
- According to the making materials, musical instruments were divided into metal, stone, earth, leather, silk, wood, pao and bambo
- The reason why most plastic packaging materials don’t get recycled is that many people don’t realize their side-effects.
- In ancient times, only materials available in the nature were used to form packages.
- When we think about supporting materials and organizational methods, we're thinking about the （） of the speech.
- The typical research topics in Civil engineering materials include:
- These three types of materials can be interspersed or combined into various forms, such as videos, posters, or DM brochures, to
- These three types of materials can be interspersed or combined into various forms, such as（）, posters, or DM brochures, to achie
- A photoelectronic materials can（）optoelectronic signals.
- According to source, composite materials divided into:（）
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