Piezoelectric crystals produce an electric current when bent and have many USES - the igniter on a gas barbecue grill being one of them.
压电晶体在发生弯曲时能够产生电流，并且已有很多用途——燃气烧烤的点火器就是其中之一。
When electrical current flows through the igniter, it produces heat, which ignites the generant material within the inflator.
当电流通过点火器时，产生的热量会点燃气体发生器中的某种物质。
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