滑滑板时带护肘垫和护膝垫是必要的。
商业空间入口处最好能放置除法垫，过滤鞋子所带之砂粒。
Placed at the entrance of commercial space is best can divide pad, filter shoes with sand.
提高带速或者增大喷嘴直径都可以提高水垫压力场的压力值。
The values of the water cushion pressure are higher with higher belt velocity or bigger muzzles diameter.
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