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The tests used in standards for evaluating smoke alarms were developed back in the 1980s. However, despite changes in building materials since then, smoke alarms remain reliable, says Chagger: "They still respond to all the main fires we get today."
第三十三条 有下列行为之一，造成危害的，处五日以下拘留；情节较重的，处五日以上十五日以下拘留：