|
楼主 |
发表于 2018-1-8 19:30
|
显示全部楼层
本帖最后由 confused-maoan 于 2018-1-8 19:33 编辑
9 @& Y, t+ k2 d8 X7 t6 a
" c) K9 X' d" B) S% R我的理解是 :当移除closure后,开孔面积 肯定是要大于passage,而这段文字说不能大于passage
o# H+ U+ A. e* s% _----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------0 c! o/ \, B" |# m: X
0 h* O: K3 h K, { a. [- ?4 _3 f. _9 f' N- [$ N; w* B" i
- ]2 w& o: \' [) C2 W3 Y3 S
" ^1 A; d1 @/ S0 ?- r( ` |
|