toothed flywheel齿: tooth圈: circle; ring飞轮: flywheel飞轮齿圈: flywheel ring gear; gear rim for flywheel齿圈: gear rim; gear ring; gear, annulus; ring gear; tooth annulus; tooth ring; tooth row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:齿圈飞轮，即可在微信中查询翻译
