他三次尖声喊叫,发出他胜利的呼喊声:“得救了!得救了!得救了!”
His voice rang out three times in a shout of victory : " safe ! Safe ! Safe !"
二次取尖提高苹果脱毒率研究
The Research on Improving Apple Virus Elimination Rate by Twice Shoot-tip Removal
颗粒磨圆度为次圆一次尖,分选中等。
The particle degree of roundness is subrounded first hypocone .