They are more widely used as they provide greater security and may enable the user to let go of the handgrip to open a door without the crutch falling to the floor.
他们更广泛地使用，因为它们提供更大的安全，并可能使用户能够让握把去开没有掉在了地上拐杖一门。
They are more widely used as they provide greater security and may enable the user to let go of the handgrip to open a door without the crutch falling to the floor.
他们更广泛地使用，因为它们提供更大的安全，并可能使用户能够让握把去开没有掉在了地上拐杖一门。
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