betalight

常見(jiàn)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)光性卻非常可靠。
• 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。
返回 betalight