Fixed-Seal O-ring 固定环O环
seal o-ring O型密封环
housing seal o-ring 壳体O型密封圈
O-ring seal 止水环 ; 密封圈 ; 密封胶圈 ; 止水
o ring seal o 形面密封 ; 形密封圈密封
o ring seal 形面密封 ; 形密封圈密封 ; O形密封圈密封 ; 密封圈
forced O-ring seal 强制O型环密封
O-ring felt seal 环形毡封圈
rubber O-ring seal 橡胶O形圈密封
Theinvestigation showed that low temperatures on the day of the launch caused arubber “O-ring” seal on one of the rocket boosters to fail, which led to a leakof explosive gases.
调查显示，挑战者号发射当日低温，导致火箭推进器上橡胶O行环密封圈失效，进而引起爆炸性气体泄露。
There have been two failures: The shuttle Challenger and seven astronauts were lost just after launch in January 1986 due to an O-ring seal leak in a solid rocket booster that led to an explosion.
有两次失败的教训：1986年1月刚刚发射过后，一个固体火箭助推器的O型圈密封泄漏导致的爆炸，使我们失去了挑战者号和7名宇航员。
Threaded O-ring seal helps prevent leaks.
螺纹O形圈使密封更好。
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