{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

农业机械学33

农业机械学33

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
在在在在在在在在在在在在在在在在在在在在在 圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆 b 圆 圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆 h 圆圆 h=a 圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆 h=0 圆圆圆圆圆圆圆圆圆圆圆圆 h≤a 圆圆圆圆 b 圆圆圆圆圆圆圆圆 h 圆圆圆圆圆圆圆圆圆圆圆圆圆 圆 b 圆 h 圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆 圆圆圆圆
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
圆圆圆圆圆 b=D h tgα D h —— 圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆 D h = 圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆 圆圆
Background image of page 2
h A F B C D h D ∵△ ABC ∽△ ACF = 2 / Dh c D - c Dh 2 / h 圆 D 圆 h 圆 =D h 2 /4 圆 D h =2 h 圆 D 圆 h 圆 b = D h tgα b =2 h 圆 D 圆 h 圆 tgα
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
b =2 h 圆 D 圆 h 圆 tgα 圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆 b 圆 h 圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆圆 圆圆 h max ≤a / 2 圆 D = k a max
Background image of page 4
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 6
Background image of page 7
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}