Many switched to electric heaters, overloading the power grid.
许多家庭开始使用电加热器，造成电网超负荷运作。
Electric heaters have their electric energy transformed into heat.
电热器使其电能转变为热能。
These do not tend to keep the water as warm as electric heaters, however.
但是，它们无法像电力加热器一般保持水温。
These do not tend to keep the water as warm as electric heaters, however.
但是，它们无法像电力加热器一般保持水温。
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