roller of cast steel 中文意思是什麼
roller of cast steel
解釋
鑄鋼軋輥-
Crown wheels are cast steel manufacture, heat treatment machines increases from each pulley roller bearings by the installation of the shafts, ensure good results
天車輪均用合金鑄鋼製造,熱處理后機加而成,每個滑輪都由滾子軸承安裝在軸上,確保使用效果良好。
分享友人