在圆柱形的瓷管上固定了两个引出端子，陶瓷管表面上缠绕了扁带波浪形状的合金电阻丝，并在其表面涂覆一层具有阻燃，耐高温特性的涂层。
Two terminal extensions are fixd on both ends of a ceramic tube on whose surface winds wave-shapcd alloy resistance wire and a high temperature-resistant and fireproof coating are applied.
寸带外套吸氧管固定法安全、有效，口腔黏膜和面颊皮肤并发症少，优于胶布加寸带固定法。
It has a little of complications of oral mucosa and cheeks skin. And it is superior to coated fabric combined with small band fixation.
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