Hi,welcomeback!Haveanicetrip?()
A. Oh,fantastic!Freshair,and
B. Comeon,I'vegotlotsoffun
C. Bytheway,Idon'tlikeSaturdays
D. Well,I'lllookforwardtoyourphonecallsunshineeveryday
调度自动化系统改造工程中要充分评估UPS电源(),UPS负载超过要求时应同步开展UPS电源改造,实现系统与配套电源同步投产。
A. 适应性
B. 可靠性
C. 灵活性
D. 经济性
Hisexample()thateveryonecanbecomeausefulpersoninsocietysolongasheiswillingtoworkhard.
A. expresses
B. thinks
C. indicates
D. supplies
储油期间每天要检查()。
A. 油罐底部阀门上锁
B. 液位高度正常
C. 储油数量正常
D. 油罐底部阀门关闭