止回阀是防止介质倒流的自动阀门，流体从进口侧流向出口侧。
Check valves are automatic valves to prevent the media back, fluid from the inlet to outlet side to side.
投入运行的喷淋层数是由锅炉负荷和烟气进口侧的二氧化硫决定的。
The number of the headers being in the operation depends on boiler demand and sulphur load at the flue gas inlet.
在开窗侧钻井中使用国产SJC 2C 水泥胶结综合测井仪替代进口的DDL系列CBL 测井仪已取得了较好应用效果。
Satisfactory results have been reached by substituting imported CBL logging tool of DDL series with home made cement bond logging tool SJC 2C.
应用推荐