air-cool

3 Air cooler and oil cooler shall be made of red copper, albata seamless tube or other corrosion prevention tubing.

3空气却和油却应采用紫铜、铜镍合金的无缝管或他防锈蚀的管材。

Two-stage cold coal gas station consists of two-stage coal gasifier, electric detarrer, indirect cooler, electric deoiler, air cooler and coal gas pressure adder.

两段式煤气站是由两段式煤气发生炉、电捕焦油、间接却、电捕轻油、及煤气加压机组成。