它用来制造冷凝管、推进器、泵配件、透平叶片，并用于化工设备等。

Used for condenser tubes, propellers, pump fittings, turbine blades, and for chemical plant.

youdao

它用来制造冷凝管、推进器、泵配件、透平叶片，并用于化工设备等。

Used for condenser tubes, propellers, pump fittings, turbine blades, and for chemical plant.

youdao