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China Petroleum & Chemical News.
As a new employee who joined in 2020, Ye Lei saw the potential safety hazard in the equipment for the first time, and he immediately became nervous with the rising oil.
"Master Geng, the high pressure oil pump spring relief valve of the coal mill on the B side of No.
"You wait in the oil room, I'll be there soon.
When he rushed to the coal mill oil chamber of No.
After maintenance, the high-pressure oil pump of the coal mill on the B side of No.
(Tao Yan Yang Bo)