maintenance planning短语¹⁴⁴⁹⁷²⁺² 基本例句 围护方案 Technical systems of maintenance/span> planning including equipment management, equipment monitoring, evaluation of equipment service life and equipment maintenance planning etc. were put forward. 提出了以设备管理、设备监测、设备寿命评估和设备维修规划等技术为主要内容的维修规划技术系统; chemyq