fuel oil 今天看一航运方面的英文评论,不解下面单词fuel oil 380,fuel oil 180,IFO 3

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fuel oil
今天看一航运方面的英文评论,不解下面单词
fuel oil 380,fuel oil 180,IFO 380,IFO 180
后面的380和180是什么意思

是指运动粘度
fuel oil ：燃油：用以产生热或能量的液体或液状石油制品
IFO(INTERMEDIATE FUEL OIL中间燃油)
IFO 380和HFO380
IFO380和HFO380的燃油没有区别,都是运动粘度为380 cst 的渣油.叫法不同 IFO(INTERMEDIATE FUEL OIL中间燃油); HFO(HEAVY FUEL OIL重燃油),后者应较确切.
180和380是重油的两种,海船经常使用的2种燃油.380的比较便宜但是质量较差,一般船东允许用380替代180,而不允许用380替代180.就像我们车子烧的90号和93号一个道理的.
楼上的什么已识别飞行物都出来了,太不负责任了

fuel oil 今天看一航运方面的英文评论,不解下面单词fuel oil 380,fuel oil 180,IFO 3 Oil 与 Fuel 的区别? heavy fuel oil 中文? 英语分析：Fuel oil All____is a continuous supply of fuel oil. 求翻译change fuel oil over to diesel oil Oil filter,Gas filter,Fuel filter,求区别 All that is needed is a continuous supply of fuel and oil有两i 求翻译why we use oil as fuel instead of coal is that it burns b oil is a fossil fuel --over millions of years fromdecayed pl 主语是什么成分?All ___ is needed is a continuous supply of fuel oil fuel的中文意思