split-second column wheel双: two; twin; both; dual秒针: second hand双秒针柱轮套: split-second column wheel tube双秒针柱轮衬套: split-second column wheel ring双秒针柱轮定位杆: split-second column wheel jumper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:双秒针柱轮，即可在微信中查询翻译
