英语语法分析

Foreign Fluororubber more than 50 varieties, but only over 10 domestic species.

国外氟橡胶有50多个品种，而国内目前只有10多个品种。

The optimum post curing conditions of fluororubber blends were determined by changing the temperature and the time.

通过改变不同配方的氟橡胶二段硫化温度和时间，确定了最佳硫化条件。

The preparation technique was also introduced. The results showed that the blend met the requirement of bar fluororubber seals.

介绍了栅栏型氟橡胶密封件的制造工艺，实践证明该胶料满足栅栏型氟橡胶密封件的使用要求。