安全两方比较
Secure two-party comparing
均数两两比较
Comparison of every two means
两段式DFB激光器
two-segment DFB semiconductor lasers
两段式泵总成布置
two-section pump assembly arrangement
两段式固定床反应器
two-stage fixed bed reactor
两段式管状柱塞流反应器
two-stage tubular-flow plug-reactor
两段式加热炉
two-stage heating furnace
两段式结构性能化分析
performance-based analysis of two different segments