back-pressure operation信息详情
背压运行
operation───n.操作；经营；[外科]手术；[数][计]运算
pressure───vt.迫使；密封；使……增压；n.压力；压迫，[物]压强
commercial operation───[经] 商业经营
strabismus operation───[医]斜视手术
operation management───运营管理；经营管理；操作管理
heart operation───心脏手术
discontinued operation───[经] 停（中）止经营；停止经营
operation manual───操作指南；操作手册；[计] 操作指南，操作手册; [化] 操作手册
transplant operation───器官移植术
selection of earth pressure, wall-back grouting, rectification of shield machine, which are used to reduce the effect of construction on environment, are analyzed in detail.───详细分析了掘进模式、土压力选择、壁后注浆、盾构纠偏等施工控制手段，用来减小盾构施工对周边环境的影响。
Casing back pressure valve plays a important role in well cementing operation as a casing accessories.───套管回压阀作为一种简便的套管附件，在固井施工作业中起着重要作用。
Determination method of optimal back-pressure for optimizing operation of double back-pressure condensers in large-scale power plants has been put forward, and computation model being given.───提出了大型电站双背压凝汽器优化运行最佳背压的确定方法，并给出了计算模型。