quartz capsule

• 石英管

quartz capsule的用法和样例：

例句

1. The actual printing is done by a mercury quartz tube.
   实际上，它是用水银石英管影印的。
2. A glass or quartz tube has tungsten electrodes sealed in each end.
   两根钨丝电极是封在玻璃管或石英管的两端。