This article attempts to discuss the cultural defect in the teaching in terms of integrity education, behavioral language, differences in thinking pattern, cooperation awareness and team spirit.

On the basis of illustrating the relation between the "hardening translation" and the under-loaded cultural connotation,the causes have been analyzed from the subjective trend of the translator,the lack of understanding of the original cultural connotation and the illusory correspondence of culture-loaded words.

Analying the occuring mechnism and effect factor of defect from flux-cored wire in ship welding,the solution has been given in material selection,technological design and site control,which will make the conrect application of flux-cored wire and higher the quality of ship welding.