当调节阀故障时,调节阀上下游阀门及旁路切换过程中,要尽量防止给系统带来扰动。
参考答案:对
根据汉语提示填写单词。
1. The word "doctor" _______(结尾) with "or", not "er".
2. I _______(收到) a letter from my pen friend every month.
3. That bag is made of _______(皮革).
4. Have you made the _______(决定) yet?
5. Do you know _______(准确地) how the animals feel when they are in cages?
6. Many cows are _______(饲养) on the farm.
7. The football match ended in a _______(令人吃惊的) result.
8. Are those workers good at _______(驯养) animals?
9. All of us are pleased with their _______(演出).
10. Jim is even _______(懒惰) than Bill.
取血气分析标本时应注意()
A.空腹采血
B.找粗、直有静脉窦处的静脉进针
C.止血带应扎于穿刺点上方5cm
D.穿刺毕用无菌纱布加压止血5~10分钟
E.常规消毒皮肤