想要一千个橡胶密封环？
结果表明，设计的金属橡胶密封环能够满足某大型设备的应用要求。
The result shows that the designed seal ring can meet the application need of the large equipment.
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。
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.
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