Cryocoolers for this purpose are more-or-less competitive with other cryocooler technologies.
制冷机为此，或多或少与其他竞争制冷机技术。
2
The paper briefly analyzed the DC-flows existing in double-inlet pulse tube cryocoolers (PTCs) and the measures for restraining them.
简要分析了双向进气型脉冲管制冷机中存在的直流现象及其抑制措施；
3
The timing of the rotary valve, which is a key operating parameter for cryocoolers, determines the relationship between the intake and exhaust process.