A central rod of the shock absorber includes a centralbore 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。
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These provide access to the centralbore of the well underneath most of the heavy valves which should have closed off the flow of oil, but for some reason did not.
Some NDT methods for surface defects, mainly cracks, on the rotor centralbore of steam turbine and generator are introduced, and the features are compared and analyzed.