reversible point motor可逆: reversible; reversibility转: revolve; rotate; turn; swive ...辙: the track of a wheel; rut电动机: electric motor; motor转辙电动机: electric point motor; electric switch motor; switch motor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:可逆转辙电动机,即可在微信中查询翻译