英语词汇“grade of coal”的读音、翻译、释义、用法及例句-开邑网

词汇	grade of coal
释义	grade of coalgrade of coal1.■煤分级;煤级;煤炭分类;煤炭品质分类
随便看	pathological polyspermy pathological process pathological protein pathological psychology pathological race pathological reaction pathological reflex pathological regeneration pathological renal tuberculosis pathological resin pathological retraction ring pathological retraction ring of uterus pathological rotation pathological scotoma pathological section pathological set pathological situation pathological space pathological state pathological thinking pathologic anatomy pathologic asphyxia pathologic atrophy pathologic autopsy pathologic breath sounds

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