再循环地坑﹝压水堆﹞ recirculation sump
参考答案:
失水事故后,收集安全壳内的反应堆冷却剂和化学喷淋液作为安全壳喷淋或应急堆芯冷却长期再循环水源的地坑。
_________ first time I met him in his office, he shook me by _________ hand warmly and then introduce himself to me.
A.The; 不填
B.The; the
C.The; a
D.A; 不填
织物的染色方法有浸染和轧染两种。