refracto

英 [rɪf'ræktəʊ] 美 [rɪf'ræktəʊ]

释义
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- 屈光测定器械, 折射器
临近单词

Refki ref refining and modification refrigerating engineering refrigerating plant wagon refrigeration coefficient Refracture of nasal bones refringence index of coal refrigerating machine oil Refrigeration temperature refrigerant-oil mixture Refractoriness chmacteric

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