②如有垂直向上的管道，通常必须拆弯管；

For vertical upward pipe, usually need to bend down;

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铝合金车架，后折可调弯扶手，可拆升降脚托，实心前轮，快拆充气后轮，防翻轮。

Aluminum frame, adjustable folding after bending handrails, foot care detachable lift, solid front, pneumatic rear wheel quick release, anti-turn round.

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