butadiene acrylonitrile rubber meaning in English

丁二烯
丁腈橡胶
二烯丙烯腈橡胶

O - rings . butadiene acrylonitrile rubber 20a8 . precision class a . quality class 3
O形圈.丁晴橡胶.精度等级.质量等级
O - rings . butadiene acrylonitrile rubber 21a7 . precision class a . quality class 3
O形圈.丁晴橡胶.精度等级.质量等级
O - rings . butadiene acrylonitrile rubber 20b8 . precision class a . performance class 3
O形圈.丁晴橡胶.精度等级.性能等级
Sealing material : o - shape or u - shape seal ring ; butadiene acrylonitrile rubber , fluorine rubber
密封材料： o形或u形密封圈；丁晴橡胶、氟橡胶。