gas-free
美
英 
英漢解釋
例句
The Coke oven gas, free of ammonia, is passed through two packed towers through which oil is continuously pumped.
經過脫氨處理的焦爐氣,被送往兩個填料塔,同時把油連續泵進塔中。
Open pump casing high pointing venting and discharge high pointing venting until gas free.
打開泵體的高點放空閥及出口管線高點放空閥,排氣至無氣體。
B. FUMIGATION AND GAS FREE CERTIFICATE
熏蒸和清除氣體證書