常見例句雙語例句General operation adopted with airtight sealed bearing to allowed long hours rotation;通用型塑料碎機、採用封軸承，使軸承轉動長時間保持良好；Universal plastic crusher, the sealed bearing, bearing rotation for a long time to keep good;通用型塑料粉碎機，採用密封軸承，使軸承轉動長時間保持良好；General operation adopted with airtight sealed bearing to alow long ours rotation;通用型塑料粉碎機，採用密封軸承，使軸承轉動長時間保持良好； 返回 sealed bearing