self-sealing ring
英 [self ˈsiːlɪŋ rɪŋ]
美 [self ˈsiːlɪŋ rɪŋ]
自紧式密封环
双语例句
- The greater the differential pressure, the higher the vacuum degree, and the better the sealing effects, which displays the self-sealing feature of the vacuum sealing ring.
压差越大，即真空度越高，密封效果越好，体现了真空密封圈的自密封特点。