| 释义 |
钽tǎn金属元素,符号Ta(tantalum)。银白色,有超导电性(-268.8℃时)和延展性,耐腐蚀性强。用来制造化学器皿、真空管、医疗器械等。{tantalum (Ta); silver-white metallic element with superconductivity (at-268.8℃), ductibility and high resistance to erosion, used as a material for the making of chemical apparatuses, vacuum tubes and medical equipment} |