权威例句
Seal for a bi-parting doorVERTICALLY MOVABLE DOOR OPERATING MEANSEvolution of the Freight Elevator DoorElevator door operatorLock latch mechanism for transit vehicle door systemPlug door deviceWEATHER STRIP FOR AUTOMOBILEDynamic Analyses of Magazine Headwalls in the ESKIMO TestsEvaluation of Modern Passenger Side Door Types and Integration With Car Design for Heavy Rail and Light Rail Applications in North A...DOORS AND DOORGEAR