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