packing ratio meaning in English
包装比
堆积比
填充比
Examples
- Investigations have been made on the influence of the heating power , working pressure , stack packing ratio , and the opening of the orifice valve and the double - inlet valve on the performance of the system
以氦气为工质，获得了119 . 7k的脉管无负荷制冷温度，在国内首次用热声机械进入低温温区。