真空系统严密性的检查,一般应每月进行一次。在大约()负荷下,且空气截止阀关闭严密时,压力的平均下降速度不应大于()Pa/min。
参考答案:80%;266~399
Fill in the blanks and complete the sentences. The first letters have been given.
1. I was late this morning because the bus was o___________ and I couldn’t get on the bus.
2. There is a g___________ gap between my father and I. That’s why we can’t understand each other and often quarrel.
3. That air crash o___________ only a few minutes after the plane took off.
4. He felt very d___________ at not getting the job.
5. The play was good except that awkward leading actor. He s___________ the whole show.
6. I was very e___________ when my sister got drunk and said something silly in the party.
7. Frank was my c___________ at work. Everyone in our office liked him.
8. Don’t point your chopsticks at others while you are eating. It’s o ___________.
地区信用风险管理部与()共同督促经营单位提高贷款议价能力
A、计划财务部
B、公司业务部
C、中小企业信贷部
D、分行职能部门