compact grained造句

• Stick-slip flow is a jerky movement of compacted grains with velocity of particles at the walls slightly lower than in the rod like core .
  粘附滑移流动是一种密集颗粒的急跳式的运动，在壁面处，颗粒的速度稍低于呈杆状的中心的速度。
• Uniform micro - structure , compacted grain : melting iron is solidified by heavy spin force at right temperature , which effectively avoid the failures like blowhole , slag enclosure , pinholes and etc
  组织均匀，晶粒致密：温度精确的合金溶液在上百倍的离心重力作用下凝固成型，得到致密的组织；并有效克服了气孔、夹渣、疏松等缺陷。