船用电动机 meaning in Chinese

marine motor
marine service motor
shimotor
shipboard-type motor
shipmotor

General specification of motor for deck machinery in ships
甲板机械用船用电动机.通用技术条件
Specification for insulation resistance monitor for shipboard electrical motors and generators
船用电动机和发电机绝缘电阻监测器规范
Standard specification for insulation resistance monitor for shipboard electrical motors and generators
船用电动机和发电机绝缘电阻监测器