On Friday officials raised the alert level at the plant from four to five on a seven-point international scale of atomic incidents.
周五，官方将本次事件的警报级别从四级提高到五级，而核事故的国际标准仅有七级。
On Friday officials raised the alert level at the plant from four to five on a seven-point international scale of atomic incidents.
周五，官方将本次事件的警报级别从四级提高到五级，而核事故的国际标准仅有七级。
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