蜗壳进水检修门及尾水管检修安装位置？
参考答案：
蜗壳进水检修门设在机组进水阀下游侧，尾水管检修进人门在蜗壳放空阀旁。
We forgave his bad temper because we knew that his son's illness had put him under great _____.
A．emotion
B．excitement
C．crisis
D．stress
较为可靠的反映贫血程度的检查部位是（）。
A.耳轮皮肤
B.面颊，皮肤黏膜
C.颈部皮肤及舌面
D.睑结膜，指甲，口唇
E.手背皮肤及口腔黏膜
