这些都是与客流量和小孩玩火地区最好的，因为大多数喷头，以及它们重视地下早起是易碎的PVC塑料的。
These are best in areas with foot traffic and playing children, because most sprinklers and the underground risers to which they attach are made of breakable PVC plastic.
大火是由一个玩火柴把纸点燃的小孩引起的。
The fire was started by a small child who had set some paper alight while playing with matches.
许多火灾都是由小孩子玩火柴引起的。
许多火灾都是由小孩子玩火柴引起的。
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