inverted cone technoiogy球: sphere; globe杆: shaft; rod; bar倒: reverse锥形: taper; cone; cone-shape背: body's back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:球杆倒锥形杆背技术，即可在微信中查询翻译
