核爆炸环境 nuclear explosive environment
爆炸环境用电气设备 electrical apparatus for explosive atmospheres
爆炸性环境 explosive atmosphere ; potentially explosive atmosphere ; Atmosphere Explosible ; Explosive atmospheres
爆炸环境下的电气设备 Electrical equipment for use in an explosive atmosphere
爆炸性气体环境 [环境] explosive gas atmosphere ; Explosive atmospheres ; explosive gas environment
连环爆炸 Serial bombing
双爆炸成形环 DEFR
爆炸性粉尘环境 explosive dust atmosphere
爆炸性环境用设备 Equipment for explosive atmospheres
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.
但即便这一圆环结构最后被证实果真是大爆炸之前的遗迹，循环宇宙的想法可能也未必是最完美的模型解释。
But even if the circles really do stem from sources in a pre-Big Bang era, cyclic cosmology may not offer the best explanation for them.
1986年1月28号，挑战者号航空航天飞机因为一个圆形截面环的错误导致在起飞73秒之后爆炸。
The Space Shuttle Challenger was destroyed 73 seconds after takeoff due on January 28, 1986 due to a faulty O-ring.
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