双流环密封
double-flow sealing structure
双流环密封瓦
dual-flow-ring sealing shoe
单流环式密封油系统
single-ring type sealing oil system
汽轮发电机密封油系统
turbo-generator set sealing oil system
汽轮机密封油系统
turbine sealing oil system
30-60天低频环流系统
Low-frequency monsoon circulation
大尺度环流系统
large-scale circulation system
大气环流系统
Atmospheric general circulation system
单流环密封
single-flow sealing structure
东亚季风环流系统
the East Asian Monsoon circulation
环流系统的季节特性
seasonal feature of circulation system
压力补偿系统油流量
pressure compensated system oil flow
压力环流系统
pressure circulating system