To ensure oil purifier working in normal condition

职业技能鉴定 已帮助: 时间:2024-06-15 02:30:42

To ensure oil purifier working in normal condition, the interval between two sludge discharging should not exceed_______hours.
A.2
B.4
C.5
D.6
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题库:职业技能鉴定,海船船员,大管轮

标签:正确答案,请帮忙,in

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