生化池入水CODcr超出设计水质的多少倍时,要立即停止向生化系统进水?
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某装置电单耗为13.64千瓦时/吨,电能耗折算系数为0.26,电能耗应为()千克标油/吨。
A. 3.55
B. 355
C. 52.46
D. 5.25
Owing to old data of the survey the positions and number of the beacons shown on this chart are not to be ().
A. considered
B. insured
C. relied upon
D. suspected