词汇	吊索具
释义	吊索具 Current Collector Sleave
随便看	building maintenance expenses Building maintenance man building maintenance project building management building management integration system building management system building manager building manager office building map building market building market behavior building mass building material building-material Building Material Company building material consumption norm building material dealer building material deposit investigation building material elevator building material enterprises building material experiment building material facility building material factory building material industry building material innovation