| 单词 | reducer |
| 释义 | reducer [ri`dü·sǝr] BIOLOGY See <<decomposer>> CHEMISTRY See <<reducing agent>> DESIGN ENGINEERING A fitting having a larger size at one end than at the other and threaded inside, unless specifically flanged or for some special joint. GRAPHIC ARTS A solution capable of dissolving silver; used to cut down the contrast or density of a negative or positive image. |
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