安全状态评估
security condition assessment
security state evaluation
safety condition assessment
契比雪夫递归滤波器
Chebychev recursive filter
契比雪夫变换器
Tchebyscheff (equalripple) transformer
汽油中铅抽提器
apparatus for extracting lead in gasoline
汽液两相流自调节疏水器
steam-liquid two-phase flow self-requlating draine
steam-liquid two-phase flow self-requlating drainer
汽液两相流疏水器
Steam-water Two-phase Flow Drainer