This paper expatiates some problems must be noticed in the design and manufacture of valve cryogenic test equipment whose orking theory is to dip the valve in the refrigeration fluid and introduces valve cryogenic test briefly.是什么意思_This paper expatiates some problems must be noticed in the design and manufacture of valve cryogenic test equipment whose orking theory is to dip the valve in the refrigeration fluid and introduces valve cryogenic test briefly.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句