| 释义 |
石棉shímián矿物,成分是镁、铁等的硅酸盐,纤维状,多为白色、灰色或浅绿色。纤维柔软,耐高温,耐酸碱,是热和电的绝缘体。{asbestos; fibrous mineral composed of the silicate of magnesium, iron, etc., usu. white, grey or light green in colour, whose soft fibres, resistant to heat, acids and alkalis, are used as an insulator of heat and electricity} |