laser tube的用法和样例：
例句
- Lead oxide in seal frit used for making window assemblies for Argon and Krypton laser tubes.
氩气和氪气激光管窗口组件密封玻璃料中的氧化铅。 - With one shot from the shuttle's pumped-laser tube, Karen took out the Scrim Kami had hit, and traversed the stream of brilliant energy to the next, bisecting it.
穿梭艇的连续激光管发出一炮，凯伦干掉了卡米击中的斯奇姆兽，之后她又将这束明亮的能量朝下一个敌机横移，将它一分为二。
