main performance的用法和樣例：
例句
- Particle size and viscosity are two main indexes for pseudo-boehmite.
擬薄水鋁石產(chǎn)品粒度和黏度是其主要性能指標。 - Main performance of this newly-designed GHP is analyzed in comparison with the electrici driven heat pump.Furthermore, the Life Cycle of GHP is also investigated.
分析了該燃氣熱泵系統的主要性能，并將其與電動(dòng)熱泵進(jìn)行了比較，同時(shí)，對其作了全生命周期的研究。
