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person:(yang xiaowei)
Rod piece waterproof structure for rail transit turnout switching
Turnout switching equipment and method suitable for tramcar
Cylindrical linkage turnout position detection rod for point switch
Conversion system of one-machine multi-point traction turnout
CONVERSION SYSTEM OF ONE-MACHINE MULTI-POINT TRACTION TURNOUT
TRANSFER DETECTION ROD FOR CONVERSION EQUIPMENT, AND REVERSING METHOD
Transfer detection rod for conversion equipmentand method
RAILROAD SWITCH CONTACT GROUP CAPABLE OF PREVENTING ARC DAMAGE, AND METHOD
Linkage detection rod and method for adjusting stroke of tail part of conversion equipment