壳: shell; hard surface程: rule; regulation数: frequently; repeatedly壳程: shell side; shellside程数: number of passes壳程法兰: flanges shell side外壳程序: shell program壳程摩擦因子: shell side friction factor冲程数: number of strokes管程数: number of tube passes流程数: number of pass行程数: touch numbernetware工作站外壳程序: netware shell工程数据，工程数据: engineering data程数据管理: pdm高程数据: altimetric data; altitude figures工程数据: engineering data工程数据库: edb：engineering database; engineering data base; engineering database工程数量表: bill of quantities; schedule of quantities; quantity sheet; schedule of quantities工程数学: applied mathematics; engineering mathematics过程数据: proce data; process data过程数据库: pdb process database过程数据区: procedure data area过程数据组: process data group进程数据库: process database
