制造作业程序 SOP

制造作业规范 standard operation procedure

铸造作业 casting manipulations

造林作业面积 hectares of planted forest

制造作业 Manufacturing Operations

制造作业程式 SOP

制造作业描述 manufacturing operation description

制造作业指导书 Manufacturing work instructions ; Manufacturing Operations Guide Book

铸造作业废水 founding process wastewater

船体制造作业分解 Hull Block Work Breakdown