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单词 sitall
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sitall

英汉-汉英词典
微晶玻璃
词组 | 习惯用语
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  • stall n. 货摊;畜栏;托辞 vi. 停止,停转;拖延
  • spitball n. 纸团;唾沫球(棒球) vt. 不假思索地发言
  • tallish adj. 身材较高的
  • Stalin n. 斯大林(前苏联领导人)
sitall n. 微晶玻璃
英语百科

Sitall

Sitall aka Sitall CO-115M or Astrositall, is a crystalline glass-ceramic with ultra low coefficient of thermal expansion (CTE). It was originally manufactured in the former Soviet Union and was used in the making of primary mirrors for the Russian Maksutov telescopes, but since dissolution has diminished in quality.

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