connecting board的用法和樣例：
例句
- This instrument was composed of four pedicles nails, two longitudinal connecting rods and two transverse connecting plates.
該器械由四枚椎弓根釘，兩根縱向連桿和兩塊橫向連接板組成。 - Presented is a novel Fly Back Transformer formed with multilayer plane spiral coils and connecting PCBs and its assembly technology.
介紹一種由多層平面螺旋線(xiàn)圈和印刷線(xiàn)路連接板構成繞組的新穎回掃變壓器。
