短语词组短语lower coverplate 下盖板coverplate passageway 盖板通道upper coverplate 上盖板coverplate oven 翻译coverplate stress 盖板受力ejection coverplate 抛壳孔盖板COVERPLATE BLANK YELLOW STANDARD 产品描述COVERPLATE DUPLEX MULTI OUTLET 产品描述 返回 coverplate