常見例句Humic substances are known to coat membrane filters.腐殖質(zhì)是已知能夠覆蓋濾膜的物質(zhì)。Soil humic substance is an important natural pool of THM precursors in raw waters.土壤腐殖質(zhì)是水源三鹵甲烷前驅(qū)物質(zhì)的重要天然來源。 返回 humic substances