buna什么意思

n.
丁纳橡胶,丁钠橡胶

相关问题
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    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.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.Ten thousand desperate fighting men, t...
  • buna的音标?

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