短语词组短語Truss -rod adjustment 琴頸金屬棒的調整TRUSS ROD Adjustable 琴頸可調body truss rod 車身骨架支柱Truss Rod Insertion 琴頸調節杆truss rod system 桁架杆系統body truss rod bracket 車身內柱架truss rod cover 調柄蓋truss rod west bank 桁架拉杆king rod truss 單杆桁架 返回 truss rod