维修之前要读服务通告(SB) ,了解要求( )
A.Read SB and understand the requirements after maintenance. B.SB should be read and requirements should be known prior to maintenance. C.Read SB and understand the requirements during maintenance.正确答案B
维修之前要读服务通告(SB) ,了解要求( )
A.Read SB and understand the requirements after maintenance. B.SB should be read and requirements should be known prior to maintenance. C.Read SB and understand the requirements during maintenance.正确答案B
