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barium flint glass
archit. 燧石玻璃
construct. 光学用钡燧石玻璃; 晶质玻璃〔铅玻璃〕
shipb. 贝火石玻璃
tech. 晶质玻璃; 钡燧石玻璃; 钡火石玻璃; 铅玻璃
telecom. 光学用燧石玻璃
barium flint glass: 2 phrases in 1 subject
Technology2