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.
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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.
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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.
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