取变压器及注油设备的油样时应注意什么?
参考答案:(1)取油样应在空气干燥的晴天进行。(2)装油样的容器,应刷洗干净,并经干燥处理后方可使用。(3)油样应从注油设备底部的放油阀来取,擦净油阀,放掉污油,待油干净后取油样,取完油样后尽快将容器封好,严禁杂物混入容器。(4)取完油样后,应将油阀关好以防漏油。
取变压器及注油设备的油样时应注意什么?
参考答案:(1)取油样应在空气干燥的晴天进行。(2)装油样的容器,应刷洗干净,并经干燥处理后方可使用。(3)油样应从注油设备底部的放油阀来取,擦净油阀,放掉污油,待油干净后取油样,取完油样后尽快将容器封好,严禁杂物混入容器。(4)取完油样后,应将油阀关好以防漏油。
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Mr. Miller owned a big shop in the main street of a small town. He sold jewelry (珠宝), watches, clocks and some 1 things. Everything went 2 and he made lots of money. But last month, some thieves 3 into his shop at night and stole lots of jewelry. What's worse, this happened twice in one month, and the police were looking 4 the thieves. Mr. Miller was very 5 . He did what he could to help the police 6 the thieves as quickly as possible. He bought a camera 7 cost him $ 12 000. He put it on the wall 8 it would picture the thieves if they came again. He also put some 9 jewelry in front of the camera. After 10 days, the thieves did come. This time they didn't take any of the cheap jewelry. They took the camera! | ||||
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