pendulum operation列车: train循环: circulate; circle; round; re ...运行: move; be in motion; run; wor ...大循环运行: full circulation operation小循环运行: partial circulation operation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:列车循环运行，即可在微信中查询翻译
