tilting ring tachometer摆: put; arrange; set in order环: ring; hoop式: type; style转速计: tachometer; tachoscope; velo ...磁电式转速计: magnetoelectric tachometer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:摆环式转速计，即可在微信中查询翻译
