Considering the crystal structure characteristics, improving the piston tribological property during the operation in cylinder was reached by using chemical heat treatment skillfully.
根据铝活塞材料的晶体结构特点，巧妙地利用化学热处理方法，改善了活塞在气缸内运动时的摩擦学特性。
2
The crystal phase is composed of the cylinder corundum and the circle solid solution of the zirconia and mullite.
晶相组成为圆柱状刚玉、圆粒状锆石和莫来石固溶体。
3
The affection of TM is discussed when the dielectric cylinder are rotated. The result is that not only the crystal rotational symmetry but also the dielectric constant can affect the band gap of TM.