飞船头部的内置气囊中充满了氦气，而置于尾部的第三节内置气囊则充满了乙烷可燃气体。
The inner envelope filled with helium in the head section of the blimp and the third built-in airbag at the tail is filled with ethane combustible gas.
如果在继电器中发现可燃气体，这说明有内部故障，比如过热或者电弧作用；而继电器内的空气只说明油位低或者有漏油。
Flammable gas found in the relay indicates some internal fault such as overheating or arcing, whereas air found in the relay may only indicate low oil level or a leak.
好像只有洪水、鲨鱼、鳄鱼及其他威胁还不够热闹，最近一次可燃性气体泄漏导致的爆炸让这里更有混乱，许多人也因此需要疏散。
As if the water, sharks, crocodiles and other threats weren't enough, a flammable gas leak caused further chaos there recently, leading to even more evacuations.
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