The axial heat conduction losses through the high frequency miniature co-axial nonmetallic pulse tube cryocoolers(PTCs)was analyzed and calculated.是什么意思_The axial heat conduction losses through the high frequency miniature co-axial nonmetallic pulse tube cryocoolers(PTCs)was analyzed and calculated.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句