第四，学生教师的自发热情应该给予呵护。
Fourthly, the natural enthusiasm of the student teachers should be maintained.
公司主要生产各类新型自发热贴和发热垫，同时还经营其它类产品。
Our company mainly produce self-heating pad of various kinds, while we also deal with other products in this line.
自发热护具以电气石为核心，与纳米生物功能材料结合制成的高新技术产品。
Spontaneous heating equipment to electrical stone as the core, and nanometer materials made of biological function with high-tech products.
自发热护具以电气石为核心，与纳米生物功能材料结合制成的高新技术产品。
Spontaneous thermal protectors in electrical stone as the core, and nano biological function made of materials with hi-tech products.
自发热护具以电气石为核心，与纳米生物功能材料结合制成的高新技术产品。
Spontaneous thermal protectors in electrical stone as the core, and nano biological function made of materials with hi-tech products.
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