scavenging engine扫: sweep; clear away气: gas发动机: engine; motor空气发动机: air breathing engine; air engine; air motor; air-breathing engine; air-collection engine煤气发动机: gas motor; producer gas 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:扫气发动机，即可在微信中查询翻译
