The helicopter rotor blade deicing technique is greatly important to ensure the flight safe - ty.直升机旋翼桨叶除冰技术对保证直升机飞行安全是十分重要的.It is best to allow the rotor to rotate freely.最好让转子自由旋转.The rotor has recesses in its three fa...
Sign up to be an organ donor.报名器官捐献.If the donor withholds performance, the donee may terminate the contractual relationship.赠与人中止履行的, 受赠人得终止合同关系.In a transfusion, donor and recipient should be of the same blood group to...
Leonid Pushkin: Then I must die.普希金: 那么我必须死了.Flowers: mimosa in Pushkin square 1941.花: 在普希金广场,1941年含羞草.And Pushkin grew up in a town just outside the city.普希金就在它附近的一座小镇上长大.Pushkin was a womaniser whose conquests included...