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金刚砂磨石
chem. carborundum sharpening stone; silican carbide sharpening stone
scient. emery stone
tech. artificial mill-stone; emery grinder
金刚砂磨石〔磨床〕
tech. emery grinder
金刚砂磨石
archit. emery grinder
金刚砂 磨石
: 4 phrases in 3 subjects
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Technology1
Wind Energy1