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...
What do you mean by anneal?你说的退火是什么意思?The puller also applied growing and vacuum anneal of laser crystal.该设备也适用于多种激光晶体的生长和激光晶体的真空退火.Firstly, equiaxed microstructure could be produced by treatments including hot compressi...