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 /
Did you have a planned maintenance system(PMS) for your last ship?
Did you have a planned maintenance system(PMS) for your last ship?
您上次做的船有计划维护体系吗？