tooth lock washer齿: tooth锁紧垫圈: lock washer锯齿锁紧垫圈: specifications for spring washers-toothed lock and serrated lock washers内齿锁紧垫圈: internal tooth lock washer外齿锁紧垫圈: external teeth lock washer; lock washers external teeth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:齿锁紧垫圈,即可在微信中查询翻译