对于低压储罐，其检查和维护时（）应对其罐顶排气、补气装置如安全阀、压控阀进行检查、维护保养和校验，必要时予以检修或更换。
参考答案：每年
The nurse is providing care for a pregnant client. The client asks the nurse how she can best deal with her fatigue. The nurse should instruct her to（）
A. take sleeping pills for a restful night’s sleep.
B. try to get more rest by going to bed earlier.
C. take her prenatal vitamins.
D. tell her not to worry because the fatigue will go away soon.
根据《国家电网公司电网建设项档案管理办法》规定，哪些混凝土施工需提供养护测温记录？
