| 摘要 |
Subject: supports set for educational and training table arrangements (table tennis game). Constitution: the support bases (fig.1,2,3,4), the arm 5, the net support 4, the protection plugs 1,2,4, the loop screw 15 or the double-loop screw 13 or the loop screw, the reel 12 or the reel 11 and, at the lower part, the loop screw 15 or the hook screw 16 or the loop screw with hook screw 14. Advantage: strong metal framework adjustable in height and width and endowing the net with great resistance against the thrust of balls being of different size. |
