3.Productionatthefactorywas(interruption)fortwohoursbecausetherewasnoelectricity.
3. Production at the factory was (interruption) for two hours because there was no electricity.
3. interrupted
S=(1+1/1*2+(2+1/2*3)+(3+1/3*4)+...+(20+1/20*21)S= 2020-04-27 …
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_________ the interruption,he was able to finish 2020-05-14 …
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3.Productionatthefactorywas(interruption)fortwoho 2020-07-15 …