A small curve in the sliding part of the convex top of the lower nut acts as the wedge.

下螺母凸顶的滑动零件上有一条小弧线充当楔块。

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Basal slip or sliding as it's often called, basically refers to the slipping or sliding of a glacier across bedrock, actually across a thin layer of water on top of the bedrock.

底部滑移，也通常被称为滑动，大致指的是冰川在基岩上的滑动，实际上是在基岩上部的一层薄薄的水上的滑动。

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The textured top and bottom keep it from sliding, so your projects stay where you want them.

特定结构的顶和底可以防滑，这样垫着的东西就会老老实实待在原地了。

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Early next year Nokia will begin selling the new N95, a luxe phone with a silvery front, beige back and two-way sliding top.

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The main reason for that is the glove-friendly sliding record button on top that lets you quickly feel whether you're recording, even when camera is stuck to the side of your head.

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The charging pad itself has a glossy plastic base that matches the phone, but there's a nice rubbery gray top that keeps the handset from sliding around too much while it's juicing up.

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