Doublering type load cell's elastomer is a new type of structure.
双环测力传感器弹性体是一种新结构。
2
Three cases were chronic cholecystitis. There were 14 cases of CCAE and 7 cases of septic and gangrenous cholecystitis with "doublering"sign.
出现“双环”征在慢性胆囊炎急性发作者中为1 4例，化脓性及坏疸性胆囊炎中7例。
3
The key steps of hydrocracking of tetralin, the conversion of doublering compounds and the yields of mono-ring compounds were affected by the reaction temperature and the acidity of two catalysts.