绘图题:如图示,设管内径DN250,管内压力p为3MPa。求盲板厚度([σ]=98.1MPa)。
参考答案:
根据答语, 补全问句
1. — ________ do you spell it?
—T-U-E-S-D-A-Y.
2. — _______are my shoes?
—They are under the bed.
3. — _______ ________ is your brother?
—He’s thirteen.
4. —________ man?
—The one in the car.
5. —______ _______ is that car?
—It’s blue and white.
6. —_______ are you?
—I’m fine. Thanks.
7. —______ do you have English?
—I have English on Monday, Wednesday and Friday.
8. —______ does he like math?
—Because it is difficult but fun.
9. —_______ ________ is it now?
—It’s seven thirty.
10. —_______ is that girl in red?
—She is my sister, June.
若每人每小时处理进出货量低,但进出货时间率高,表示虽仓库一日内的进出货时间长,但每位人员进出货负担却很轻。原因出在仓库目前的业务量过大。可考虑增加进出货人员,以减轻每人的工作负担。