fwd idler sol进: advance; move forward; move ...带: belt; girdle; ribbon; band; ...惰轮: idler; idle pulley; idle gea ...继电器: electric relay; relay棘轮继电器: ratchet relay; ratchet wheel relay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:进带惰轮继电器，即可在微信中查询翻译
