Abatement item减除项目
asbestos abatement清除石棉;消除石棉
flood abatement消洪;灭洪
vibration abatement[力] 振动抑制
dust abatement[环境] 除尘;气体除尘
abatement t减少;扣减;减免或减轻;轻减
abatement period减免期
spring abatement弹性制止
optical abatement光猝灭
N-UNCOUNT（不可数名词） Abatement means a reduction in the strength or power of something or the reduction of it. 减少 [正式][also 'a' N]
...the abatement of carbon dioxide emissions.
...二氧化碳排放的减少。