知識貝殼
知識貝殼
所屬欄目：工程流體力學英文
The projection plane of the curved surface MN on the vertical plane is M′N′. Thearea of the projection plane is Ax. The liquid M′N′NM was taken as a detached body.The equilibrium of forces acting on the detached body was analyzed as shown in Fig.2-23b. Th ......（本文共 1099 字 ） [閱讀本文] >>