supplemental water-supply source中文什么意思

辅助供水水源

• supplemental:    adj. ＝supplementar ...
• water:    n. 1.水；雨水；露；〔常作 pl ...
• supply:    adv. ＝supplely.
• source:    n. 1.源头，水源，源泉。 2.根 ...