nitrogen beam

• 氮束

nitrogen beam的用法和样例：

例句

1. A through beam illuminated the dark road ahead.
   一束透射光照亮了前方黑暗的道路。
2. A ns pulse beam device is installed at pulse beam current piping.
   在脉冲束流管道上安装有强流毫微秒脉冲化聚束装置。