valve-controlled internal combustion engine气门: air door; air valve of a tyr ...式: type; style内燃机: internal-combustion engine; ...立式内燃机: vertical internal combustion engine卧式内燃机: horizontal internal combustion 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:气门式内燃机，即可在微信中查询翻译
