-
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