日蒸发率是评价高真空多层绝热杜瓦保冷性能最重要的技术参数. Daily evaporation rate is an important technology parameter to evaluate the heat - insulating property of cryogenic dewar.
The president of the Republic oscillated between a certain audacity and a prudent realism.该共和国总统施政风格时而大胆冒进，时而谨慎务实。Her moods oscillated between depression and elation.她的情绪时而抑郁，时而亢奋。The share price has oscillated between a...
Russian unit of weight equivalent to about 16.4 kilograms ( 36.1 pounds ) avoirdupois.普特俄国重量单位,相当于约16.4公斤 ( 即36. 1磅 )The increase of carbon equivalent is primary reason for graphite floatation.碳当量高是引起石墨漂浮的主要原因.It is anti...