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

3空气冷却器和油冷却器应采用紫铜、铜镍合金的无缝锈蚀的材。

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.

两段式冷煤气站是由两段式煤气发生炉、电捕焦油器、间接冷却器、电捕轻油器、风冷器及煤气加压机组成。