只有当（）投运并正常工作后，才能投运整流变及整流柜。
题型：填空题
问题：
只有当（）投运并正常工作后，才能投运整流变及整流柜。
题型：填空题
| 阅读下面短文，从每题所给的A. B. C. D四个选项中选出最佳选项。 | |||
| |||
| 1. How old is "lady"? | |||
| A. 6 months old B. 3 years old C. 6 years old D. 8 years old | |||
| 2. if you find a black and white dog with long ears, please call _______. | |||
| A. 630-4789 B. 598-3985 C. 303-2720 D. 725-6982 | |||
| 3. The above are probably used for _______. | |||
| A. showing the pets B. teaching the pets C. looking for lost pets D. asking for the way |
