退役；辐射剂量；须进干坞之半机动修期的英文

rad

• 退役:    retire or be relea ...
• 辐射:    radiation; exposur ...
• 剂量:    dosage; dose; dosi ...
• 须:    must; have to
• 进:    advance; move forw ...
• 干:    trunk; main part
• 坞:    a depressed place; ...
• 半:    half
• 机动:    motor-driven; moto ...
• 修:    embellish; decorat ...
• 期:    designated time