Burning biomass is seen as "carbon neutral" as the material is regrown, allowing the carbon emitted during combustion to be reabsorbed.
燃烧生物质能因可再生，被视为碳中性的，在燃烧过程中，其碳的释放是可以被吸收的。
2
Neutral medium, it should be chosen for the copper alloy shell material valve solenoid valve, or valve shells falling debris often rust, especially the movements do not frequent occasions.
中性介质，也宜选用铜合金为阀壳材料的电磁阀，否则，阀壳中常有锈屑脱落，尤其是动作不频繁的场合。
3
Common type for non-corrosive liquids, gases and vapors, anti-corrosion of stainless steel material, suitable for neutral corrosive liquids, gases and vapors.