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reducers的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
名詞 reducer:
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a substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the loose silver
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pipefitting that joins two pipes of different diameter
