filtered water return hydraulics和renforcement profile‘L’是什么意

The water (was) filtered through charcoal.WAS要不要加 smart profile 是什么? high profile capacitor 是什么? Profile water softener和hard water是什么东西? low profile,中文意思是什么? high profile corporate scandals 中文是什么,profile怎么翻译? Life is like running water,flowing away never to return.是什么状 swinm skip plant borrow water read return tell teach 的过去式和现在 energy-filtered packet filtered hydraulics系什麽意思?