集中控制台: central control consolecentral control deskcentral control stationcentral panelcentralized control boardcentralized control consolecentralized control stationintegrated console
And the stress of hole ' s edge is affected obviously by the installation pretightening force for fastener which acts directly on the stress concentration region 而安装紧固件产生的预紧力又直接作用于孔边的应力集中区域,对孔边应力有较大的影响。