对冲天炉的烟气特点、烟气净化标准和净化措施等作了概述。
The properties of cupola fume, fume cleaning standard and cleaning measures was summarized.
在选对蔬菜后，仍需采取必要的“净化措施”，最大程度地减少农药的食入。
The election of the vegetable, still need to take the necessary" purification measures", to maximize the reduction of pesticide in food.
本文对摩托车排气污染物的形成、影响因素进行了分析，并指出了机内与机外净化措施。
This paper analyses the forming and effects of motorcycle. exhaust emissions, and points out the purifying approach of both in-engine and out-engine parts.
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