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).
实用例句
1. BUNa - N is a general purpose oil resistant polymer known as nitrile rubber.
丁腈橡胶(BUNa-N )是一种多用途抗油品腐蚀聚合物,称为腈橡胶.来自互联网
2. Buna - N disc valves limited to 180 H temperatures.
丁腈橡胶阀瓣阀门的温度限制在180℉以下.来自互联网
3. This in - depth ethnographic study looks at buna for several generations of Muslim Oromo.
本文这篇深度民族志研究,着眼于几代奥洛摩穆斯林的习俗——布那.来自互联网
4. Ten thousand desperate fighting men, their backs to the sea, held the final perimeter at Buna.
一万名殊死抵抗的士兵, 背海作战, 在布纳守住了最后一道防线.来自互联网
5. Interactions during buna involve greetings, honoring , respecting the elders, praying, sharing stories, and sustenance.
