toothed belt idler plate皮带: leather belt; leather girdle ...惰轮: idler; idle pulley; idle gea ...锯齿: sawtooth; serration板: board; plank; plate保留: continue to have; persist; r ...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:皮带惰轮锯齿板 （保留英文），即可在微信中查询翻译
