光束聚集装置
light beam localizing device
紧密纺集聚装置
condensator of compact spinning
聚氯乙烯装置热集成
Heat Integration of Polyvinyl Chloride System
聚氧集氮装置
concentrating oxygen and collecting nitrogen devices
导叶不同步装置MGV装置
misaligned guide vane MGV
电凝聚装置
electro-coagulation equipment
波形采集装置
waveform acquisition equipment