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.
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。
The explosion was caused by a gas leak from the water heater.
爆炸是由热水器泄漏煤气引起的。
The pipes are used for carrying sewage, water, oil or gas. Therefore, the weld seams produced during the manufacture of the pipe must be absolutely leak tight.
用于传输城市污水，水，油或者天然气的管道在焊接时必须保证严格的密封以防止泄露。
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