| 单词 | petroleum still |
| 释义 | > as lemmaspetroleum still petroleum still n. now rare an apparatus for distilling petroleum into fractions. ΚΠ 1862 Sci. Amer. 15 Nov. 310/3 (heading) Cements for joints of petroleum stills. 1867 Times 20 July 3/5 Wanted, immediately, wrought-iron petroleum stills, new or second-hand, with condensers, in complete working order. < as lemmas |
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