| 单词 | rosin boiler |
| 释义 | > as lemmasrosin boiler rosin boiler n. ΚΠ 1880 J. Dunbar Pract. Papermaker 54 Cubic contents of small rosin boiler. 1946 Paper-Maker & Brit. Paper Trade Jrnl. 111 (Internat. No.) 29/1 The extract is run from a small head tank..directly to the rosin boiler or pumped by means of a hand pump. < as lemmas |
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