大修过程中，许多起落架部件的镀镍层和镀铬层完全被剥离。

During overhaul, many landing gear components are completely stripped to replace nickel and chrome plating.

youdao

大修过程中，许多起落架部件的镀镍层和镀铬层完全被剥离。

During overhaul, many landing gear components are completely stripped to replace nickel and chrome plating.

youdao