zài / gōng chéng zhì tú / zhōng / xié tóu yǐng / kě yǐ / yòng lái / biǎo dá / wù tǐ / de / lì tǐ gǎn在工程制图中,斜投影可以用来表达物体的立体感。In engineering drawing, oblique projection can be used to express the three-dimensional appearance of an object.