<p>커피 추출(커피의 추출조건 / 방식) - 커피 추출 1 커피의 추출조건 방식<br></p><p><br></p><p><a href="https://www.youtube.com/watch?v=mnNbhhcnSFA&amp;list=PLt-u4_T_AxGSUXgu6PEEV4y236elrL60S&amp;index=15" target="_blank">https://www.youtube.com/watch?v=mnNbhhcnSFA&amp;list=PLt-u4_T_AxGSUXgu6PEEV4y236elrL60S&amp;index=15</a><br></p>