B
生物医药大词典
by MedSci
菜单
词典
分类
百科
诗词
背单词
英文名
DeepEvidence ↗
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例句 /
Fuel oil purifier overhauled and cleaned, gear case oil renewed.
Fuel oil purifier overhauled and cleaned, gear case oil renewed.
燃油分油机解体清洁,齿轮箱换油。