bracketn.档次;括号;支架vt.支撑;放在括号内;归入一类
bracket crab壁装起重绞车
bracket seat可放倒的座椅
bracket pole托臂支柱
bracket mast托架柱
bracket jump括弧跳
bracket step括弧步
bracket pair括号对
bracket loop支架圈
bracket pile承台桩
bracket beam挑梁