hollow foot
... hollow back 脊柱前凸 hollow foot 凹足 holoacardius 无心寄生胎畸胎 ...
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空凹足 claw foot
凹蹼足 incised palmate foot
足丝凹口 byssus notch ; [古生] byssal notch
足丝凹曲 byssus sinus ; [古生] byssal sinus
空凹外翻足 cavovalgus
·2,447,543篇论文数据，部分数据来源于NoteExpress
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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