属于骨盆入口平面狭窄的有单纯扁平骨盆和佝偻病性扁平骨盆。
参考答案：对
吸收塔浆液密度怎样实现自动控制？
Picasso's ______ ability was apparent in his early youth when he started drawing sketches.
A．writing
B．artistic
C．reasoning
D．literary
