oil seal lip 油封件的唇部 ; 油封唇口
lip rubber seal 唇形橡胶密封 ; 唇形橡胶密封圈 ; 唇形橡胶弥缝
lip seal 密封圈
SEAL-LIP 带唇边密封件
Seal lip type 唇边油封
Seal-lip type 唇边油嘴
single-lip seal 单唇油封
o-ring seal lip O型密封圈唇部
The seal lips (12-14) consist of inner seal lips (12, 13) and an outer seal lip (14).
以及多个密封唇（12-14），由一体设置于金属环的橡胶状弹性材料制成。
The utility model has a main point that the other side of the main oil seal surface is also provided with an oil seal lip.
本实用新型的要点是：在主封油面的另一侧还有一个封油唇口。
The utility model discloses an instantaneous cleaning envelope for postal articles, composed of a cover, a seal lip and a cover lip.
本实用新型公开了一种邮政邮品及时洁信封，它由封套、封舌和盖舌组成。
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