名词
中文翻译：带护套的加热元件
同义词：
['heating element with sheath', 'heating element with insulation例句：1. The new heater uses a sheathed heating element to improve efficiency.（新型加热器使用带护套的加热元件来提高效率。）']
例句：
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1. The new heater uses a sheathed heating element to improve efficiency.
新型加热器使用带护套的加热元件来提高效率。
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2. The engineer carefully selected the sheathed heating element for its durability.
工程师仔细选择了耐用的带护套的加热元件。
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3. The installation of this sheathed heating element requires special care to avoid damage.
安装这种带护套的加热元件需要特别注意，以免损坏。