auxiliary safety device

基本解释

Charging test and safety valve and automatic device adjusting for main compressor( auxiliary compressor).
主（）氣壓縮機的充氣試騐、全閥和自動裝置的調整。
Charging test and safety valve and automatic device adjusting for main compressor (auxiliary compressor).
主（輔）空氣壓縮機的充氣試騐、安全閥和自動裝置的調整。
The safety valve of grade 2 and 3 auxiliary system is the protective device against the overpressure in the auxiliary system of the first loop.
核2，3級輔助系統安全閥是核電站----廻路輔助系統的超壓保護裝置。
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