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研究了超细煤系煅烧高岭土颗粒表面包覆二氧化钛膜的工艺。
The technology of coating TiO 2 film on the surface of ultra fine calcined coal kaolin particle was studied.
youdao
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研究了超细煤系煅烧高岭土颗粒表面包覆二氧化钛膜的工艺。
The technology of coating TiO 2 film on the surface of ultra fine calcined coal kaolin particle was studied.
youdao