double rotary enginedoublerotaryengine双: two; twin; both; dual排: arrange; put in order缸: jar; jug; vat; crock回转: gyration; rotation; swing; t ...引擎: engine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:双排缸回转引擎,即可在微信中查询翻译