... 白 瑞士三角巧克力 灰汁泵; limed juice pump 石油泵; petroleum pump 试验室泵; laboratory pump ...
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petroleum pump coupling 石油泵联轴器
crude petroleum pump 原油泵
slurry pump for petroleum 石油专用泥浆泵
liquefied petroleum gas pump [油气] 液化石油气泵
petroleum transport pump 输油泵
Petroleum down-hole pump 石油潜孔泵
petroleum transportation pump station 石油输运泵站
·2,447,543篇论文数据,部分数据来源于NoteExpress
Even worse, all of the countries best equipped to pump more of the stuff are members of the Organisation of the Petroleum Exporting Countries (OPEC).
ECONOMIST: Commodities 1
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