longitudinal thruster纵向: direction; machine direction ...推进器: thruster; propulsion; propel ...侧向推进器: sideways-acting propeller; thruster定向推进器: fixed propulsor多向推进器: directional propulsor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:纵向推进器,即可在微信中查询翻译