A device for protection from the weather consisting of a collapsible, usually circular canopy mounted on a central rod.
雨伞用来防风雨装置，由某在一根中心柱上的可折收的，经常是圆形的罩蓬构成。
A central rod of the shock absorber includes a central bore that is fluidly coupled with air pressure within air springs of the suspension assembly.
一个减震器中央棒包括一个中央孔是在空气流畅，空气压力耦合弹簧的悬挂系统的安装。
A ceramic rod with favorable heat conductivity is arranged on the bottom of a crucible to be used as a support seat to enhance the heat dissipation of the central position of crystal.
坩锅底部采用了导热性良好的陶瓷棒作支座，以增强晶体中心部位的散热。
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