搜题
王老师:19139051760(拨打)
题目  更新时间:2024/5/9

蛋鸡舍侧立面小窗洞口设计原则:()
A.洞口下沿比舍内顶笼上沿低10-15cm,两侧均匀布置
B.洞口下沿比舍内顶笼上沿高10-15cm,两侧均匀布置
C.洞口下沿比舍内顶笼上沿水平,两侧均匀布置
D.洞口下沿比舍内顶笼上沿低10-15cm,两侧均匀布置

王老师:19139051760(拨打)