There is a need for passive preventive measures, such as redesigned domestic cooking and eating areas, safer electrical kettles and temperature control devices for bathrooms.

有必要制订被动预防措施，如重新设计家庭的厨房和餐厅区域，更安全的电水壶和浴室的温控设备。

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In this paper, a temperature control system for electrical heating furnace, using variable sampling period and variable structure is proposed.

本文提出一种采用变采样周期、变结构的电阻炉温度控制系统。

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Main equipment: pre-heater, evaporator, condenser, sugar meter, vacuum system, temperature control, liquid level control, valve fittings, automatic electrical control system;

主要设备：预热器、蒸发器、冷凝器、糖度仪、真空系统、温度控制、液位控制、阀门管件、自动电气控制系统；

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