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refractor

[rɪ'fræktə] n
gen. 折射式望远镜
el. 折射透镜; 折射望远镜
oil 折射层
tech. 折射器; 折射镜; 等析比容
refractor
: 18 phrases in 4 subjects
Mechanic engineering1
Oil / petroleum4
Space2
Technology11

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