够笨的,水泵可以放在梯子下方,就没你说的侧向拉力了。放梯子,角度是门学问,太陡不容易上去,太缓梯子会前后弹跳晃动,站都站不稳,更不安全。侧滑,从来没发生过。
够笨的,水泵可以放在梯子下方,就没你说的侧向拉力了。放梯子,角度是门学问,太陡不容易上去,太缓梯子会前后弹跳晃动,站都站不稳,更不安全。侧滑,从来没发生过。
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