leakproof material的用法和樣例：
例句
- The gasholder was pressurized by the connection of a side plate with a piston through a kind of flexible rubber sealing material.
該氣櫃主要藉助於一種柔性的橡膠密封材料將氣櫃側板和活塞密封連接。 - It is designed with new sel material and buffer,with low starting pressure,stable operation,good seal,and long service life.
採用新的密封材料和絡腮鬍子沖結構，啟動壓力低，運動平穩，密封性好，使用壽命長。
