For solving the problem of small refrigeration power of common pulse tube refrigerators (CPTR), a new concept is put forward of large diameter pulse tube refrigerator (LDPTR).是什么意思_For solving the problem of small refrigeration power of common pulse tube refrigerators (CPTR), a new concept is put forward of large diameter pulse tube refrigerator (LDPTR).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句