In reference to accidental oil pollution,the most critical time during bunkering is when ().
A. you first start to receive fuel
B. hoses are being blown down
C. final topping off is occurring
D. hoses are being disconnected
协调控制方式运行时,主控系统中的功率指令处理回路不接受任何指令信号。
A. 正确
B. 错误
子宫颈上皮不典型增生、子宫颈原位癌、子宫颈早期浸润癌和子宫颈浸润癌的鉴别?
党章要求各级领导干部要正确行使人民赋予的权力,坚持原则,依法办事,()。