Fuel oil transferring, sludge removal, cleaning, ventilating and gas free of the relevant fuel tanks are required before hot work for repair on the above-mentioned items Nos.4 &5.
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释义
为上述第4和5项进行热工修理前与其有关的燃油舱内的燃油、油渣需要驳出、舱需要清洁、通风和测爆。
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