问题
问答题 简答题
柴油机突然停机的原因是什么?
答案
参考答案:
(1)差式压力计CS动作;
(2)燃料泵不工作;
(3)紧急停车装置作用;
(4)电磁连锁DLS故障或经济电阻烧损;
(5)机油压力低或油压继电器1-2YJ故障;
(6)总控自动开关跳开。
柴油机突然停机的原因是什么?
参考答案:
(1)差式压力计CS动作;
(2)燃料泵不工作;
(3)紧急停车装置作用;
(4)电磁连锁DLS故障或经济电阻烧损;
(5)机油压力低或油压继电器1-2YJ故障;
(6)总控自动开关跳开。
完形填空. | |||
There are many different kinds of cars in the world. My aunt thinks this is because cars are 1 their drivers. She says, "Rich people have expensive cars, big people have large cars, and old people drive old cars." But I don't 2 with her. My neighbor, Mrs Hill, is 82 years old. She drives only on Tuesday, and she drives only to the bank. She 3 drives more than 30 kilometers an hour. Do you think Mrs Hill has a very 4 and small car? No, her car is new. It's very large, and it 5 go 200 kilometers for each hour! My friend is 6 . He draws beautiful pictures with lots of colors. But his car is black! Mrs Bates has a very, very old one. There is often something 7 with the car. Does she drive that kind of car because she is poor? No, she has four factories and 8 dollars in the bank. My aunt Mary has a very 9 car, though she drives to the country with her husband, her two children, her mother and their dog. Now you have 10 my friends and their cars. Do you agree with my aunt? Maybe you have a car. Does it say anything about you? | |||
( )1. A.for ( )2. A.like ( )3. A.never ( )4. A.old ( )5. A.may ( )6. A. a teacher ( )7. A. interesting ( )8. A. twenty ( )9. A. big ( )10.A. read about | B. with B. look after B. always B. new B. can B. a reporter B. wrong B. two hundred B. small B. called | C. like C. agree C. sometimes C. broken C. must C. a writer C. mistake C. two thousand C. expensive C. seen | D. among D. chat D. often D. beautiful D. has to D. an artist D. trouble D. two million D. new D. met with |
某大型工程,由于技术特别复杂,对施工单位的施工设备及同类工程的施工经验要求较高,经省有关部门批准后决定采取邀请招标方式。招标人于2007年3月8日向通过资格预审的A、B、C、D、E这5家施工承包企业发出了投标邀请书,5家企业接受了邀请并于规定时间内购买了招标文件,招标文件规定:2007年4月20日下午4时为投标截止时间,2007年5月10日发出中标通知书。
在2007年4月20日上午A、B、D、E 4家企业提交了投标文件,但C企业于2007年4月20日下午5时才送达。2007年4月23日由当地投标监督办公室主持进行了公开开标。
[问题]
分别指出对B企业、C企业、D企业和E企业的投标文件应如何处理并说明理由。 |