词汇	光学检验
释义	光学检验 optical check
随便看	connection fault tolerant connection fee connection file Connection Fitting out connection fittings connection flange Connection: flange Connection: flange,silk mouth,welding Connection: flange, silk mouth, welding connection flexibility connection flush joint connection for air pump oil cup connection force connection foreman connection form connection forms connection formula connection for working fluid connection for working fluidconnection piece connection gang connection gas connection gate connection gateway connection grade connection graph