注水泥塞后井筒口袋深度应符合地质要求。
参考答案：对
下列何种损伤可导致上臂下垂（）
A.臂丛神经损伤
B.膈神经损伤
C.喉返神经损伤
D.副神经损伤
E.颈部交感神经损伤
An analyst gathered the following information for a company whose common stock is currently priced at $40 per share:（）
A．26.5
B．1.16
C．25.6
