- directional propulsor
- 多向: multiway; multidirection
- 推进器: thruster; propulsion; propel ...
- 侧向推进器: sideways-acting propeller; thruster
- 定向推进器: fixed propulsor
- 横向推进器: athwartships propeller; cross wise driver propeller; radial jet; side thruster; thruster propeller; transverse propeller; transverse thruster
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