变流变压变频调压技术
non-constant flow and pressure water-supply techni
变频升压变压器
step-up transformer with variable frequency
变压变频
VVVF
campus personality
variable voltage and variable frequency
Clinical benefit response CBR
variable voltage variable frequency VVVF
变压变频控制
variable voltage variable frequency control
VVVF control
变压变频器
variable-voltage inverter
variable voltage variable frequency inverter
变压变频协调控制
variable voltage and frequency control
变压变温吸附
temperature controller PSA dehydration adsorption
差压变压器式位移传感器
differential transformer displacement transducer
厂用高压变压器
station service transformer
超高压变压器油
ultrahigh voltage transformer oil