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concave reflection grating
meaning in English
凹反射光栅
凹面反射光栅
Related Words
concave curvature
concave gratings
concave life
concave opening
threshing concave
concave refractor
jawline concave
concave glass
concave barrel
concave flow
concave protecting disk
concave reflecting face
concave reflector
concave refractor
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