基本解釋氚發(fā)光器件同根派生 betalight相關(guān)詞英漢例句The betalight consists of a glass container (usually in the form of a slender tube or two fused glass plates) filled with tritium gas. 不需要外部提供能源,但發(fā)光性卻非??煽?。The lifetime of a betalight is limited by the half-life of the tritium gas (12.3 years); 盡管玻璃氣室的破裂會(huì)釋放其中裝有的放射性氚氣體,但是在正常使用期間并不會(huì)造成對(duì)外的放射。betalight更多例句