When the whole（ ） is cut off, the power system will be disconnected or even paralyzed.
A: Intermediate substation
B: Hub substation
C: District substation
D: Terminal substation
A: Intermediate substation
B: Hub substation
C: District substation
D: Terminal substation
举一反三
- icd文件包含以下哪几部分（） A: Header B: Substation C: IED D: DataTypeTemplates
- When he failed to pay his bill, the power company ______ the supply of electricity. A: set off B: cut off C: took off D: put off
- There would be a power cut so we were astonished when the whole house was ______ into darkness. A: dropped B: dived C: drowned D: plunged
- We hadn’t expected a power cut so we were astonished when the whole house was ______ into darkness. A: dived B: B. plunged C: C. drowned D: D. dropped
- Jack ________ in the lab when the power cut occurred.