This type of seal generally is of elastomeric lip seals.
这种类型的密封通常属于弹性唇密封。
2
In use process of the nozzle, free end of the seallip is shocked by environment pressure, so leans against exterior surface of the inner joint member for providing seal.
在吸嘴的使用过程中，密封唇的自由端受环境压力冲击，从而抵靠在内部接头件的外表面上，以便提供密封。
3
The utility model has a main point that the other side of the main oil seal surface is also provided with an oil seallip.