synthetic rubber made from butadiene, from German Buna, from first elements of butadiene, name of a hydrocarbon (related to butane; the suffix indicates the presence of two double bonds) + Na, indicating sodium (from natrium; see sodium).
雙語例句
1. BUNa - N is a general purpose oil resistant polymer known as nitrile rubber.
丁腈橡膠(BUNa-N )是一種多用途抗油品腐蝕聚合物,稱為腈橡膠.
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2. Buna - N disc valves limited to 180 H temperatures.
丁腈橡膠閥瓣閥門的溫度限制在180℉以下.
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3. This in - depth ethnographic study looks at buna for several generations of Muslim Oromo.
本文這篇深度民族志研究,著眼于幾代奧洛摩穆斯林的習(xí)俗——布那.
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4. Ten thousand desperate fighting men, their backs to the sea, held the final perimeter at Buna.
一萬名殊死抵抗的士兵, 背海作戰(zhàn), 在布納守住了最后一道防線.
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5. Interactions during buna involve greetings, honoring , respecting the elders, praying, sharing stories, and sustenance.