邮政设备中的上包机安装时,装配后胶带机跑偏量不大于()。
A.10cm
B.5cm
C.0.05倍的胶带宽
D.0.1倍的胶带宽
参考答案:C
We had to wait half an hour _______ we had already booked a table.
A.since
B.although
C.until
D.before
患者女性,63岁,血清淀粉酶(AMS)3000U/L。分析其临床意义。