Terms for subject Shipbuilding containing improvements

English	Chinese
boiler improvement	锅炉改造
class improvement plan	船级改进计划
fleet improvement program	船队改进计划
quest eagerly for improvement	力求改进
Ship Characteristic Improvement Board	船舶性能改进研究会
Ship Characteristics Improvement Board	船舶性能改进研究会
ship improvement guide	船舶改进指南
ship improvement guide	船舶改进指导
ship-class improvement plan	船级改进计划