分层测试合格率实际是分层注水井注水合格的层段数占总层段数的百分率,它是反映实际注好水的指标。
参考答案:错
He could not find his fifty pence anywhere ______ get his arm out.
A.nor could he
B.nor he could
C.neither he could
D.either he could not
()空间利用率最大化是仓储管理的唯一目标。
A.正确
B.错误