low-porosity graphite rod

例句：

1. 1. This new typeof graphite rod is more efficient in energy storage.
   这种新型石墨棒在能量存储方面更为高效。
2. 2. The graphite rod has been used in many industrial applications due to its low porosity.
   由于其低孔隙度，石墨棒已被广泛用于许多工业应用中。
3. 3. The low-porosity graphite rod is ideal for use in high-temperature environments.
   低孔隙度的石墨棒非常适合用于高温环境。