设计渠道时需要用到哪几种流量作为设计与校核之用?
参考答案:
设计流量,最小流量,加大流量。
He insisted that he ____ that and that he ____ free. [ ]
A. didn't do; was set
B. hasn't done; is set
C. hadn't done; be set
D. hadn't done; should set
计算并填写下表。