regulus ; bead ; metallic bead ; metal ball
多孔人工关节是采用与基材相同的细小金属珠粒，以烧结或扩散焊的方法，固定在关节特定的表面上。
Foam coat layer consisting of fine metal particles similar to matrix is sprayed and diffusely sintered on the surface of the artificial joint.
一种减少磨擦的轴承，主要由包括可自由旋转的硬金属珠的环状轨道构成，转动轴或其他部件因撞碰金属珠而转动。
A friction-reducing bearing consisting essentially of a ring-shaped track containing freely revolving hard metal balls against which a rotating shaft or other part turns.
当球珠已在金属板上冷却，把它转移到一个研钵里，研磨成细粉。
When the bead has cooled on the metal sheel transfer it to a mortar and grind to a fine powder .
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