concentric circular cylinderconcentric cylinder同心圆: concentric circles体: body; part of the body空心圆柱体: hollow cylinder偏心圆柱体: eccentric circular cylinder空心圆柱体试验: hollow cylinder test下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:同心圆柱体,即可在微信中查询翻译