shuǐ lì xué / kè chéng / yāo qiú / xué shēng / lǐ jiě / shuǐ liú / zài / guǎn dào / zhōng / de / yā lì / biàn huà水力学课程要求学生理解水流在管道中的压力变化。The hydraulics course requires students to understand how water pressure changes inside pipes.