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
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例句 /
An undercarriage or stand on which a device rests while in service.
An undercarriage or stand on which a device rests while in service.
底座在使用时将设备固定在其上的底座或支撑物