seal materials

• 密封材料

seal materials的用法和样例：

例句

1. Seal materials for furnace expansion joints.
   窑炉砌体膨胀缝密封材料。
2. It is designed with new sel material and buffer,with low starting pressure,stable operation,good seal,and long service life.
   采用新的密封材料和络腮胡子冲结构，启动压力低，运动平稳，密封性好，使用寿命长。