发电机运行期间，严禁往发电机内加放燃油（若要加放燃油必须停机后操作），至少留有一名技术人员值守。
参考答案：对
--- Have you gone over what the teacher taught in class?
--- Not yet.
--- Better remember: ________.
A．Don’t count your chickens before they’re hatched
B．A bird in hand is worth two in the bush
C．Strike while the iron is hot
D．All roads lead to Rome
试述针灸治疗暴盲基本处方的方义
