support ledge
... 支持筹件 support casting 支架 support frame 支架凸部 support ledge ...
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多用塑料支架是由足、连接块、臂、面板四部分组成，通过称为凹接头和凸接头的不同装配，可以实现不同的用途。
The multi-use plastic support comprises feet, connecting blocks, arms, and a panel, which can be assembled differently by the called concave joints and convex joints to realize different usages.
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