belt-type oil skimmer是什么意思，belt-type oil skimmer的翻译，belt-type oil skimmer音标、读音、用法和例句

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belt-type oil skimmer是什么意思，belt-type oil skimmer的翻译，belt-type oil skimmer音标、读音、用法和例句_菜篮子兴趣思朗文词典