爆炸是由热水器泄漏煤气引起的。

The explosion was caused by a gas leak from the water heater.

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爆炸震击器利用爆炸产生对一个锤子的剧烈冲击。

A jar that USES an explosion to deliver a very hard blow to a hammer.

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爆炸震击器利用爆炸产生对一个锤子的剧烈冲击。

A jar that USES an explosion to deliver a very hard blow to a hammer.

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