标准周期 meaning in English
normal period
Examples
- The ship maintenance system - maintenance grades , standard code and permissible deviation for maintenance period of ship
船舶维修保养的分级标准周期代码及周期允差 - The ship maintenance system - maintenance grades , standard code and permisible deviation for maintenance period of ship
船舶维修保养体系船舶维修保养的分级标准周期代码及周期允许差