常见例句The ash melting process is a key process for dioxins zero emission.其中，灰渣的熔融处理是限制二恶英零排放的重要步骤。In many cases the simultaneous removal of NOx and dioxins is obtained with one single Shell System.在诸多案例中，单个壳牌系统同时去除氮氧化物和二恶英。 返回 dioxins