项目建设背景：半导体材料用石英坩埚，是生产硅单晶体所必需的石英容器。
Project Outline: Quartz crucible which is used for semiconductor material is the container necessary to the production of monocrystalline silicon.
项目建设背景：半导体材料用石英坩埚，是生产硅单晶体所必需的石英容器。
Project Outline: Quartz crucible which is used for semiconductor material is the container necessary to the production of monocrystalline silicon.
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