Duct branch is rich in natural form of uniform distribution, wall smooth, branch pipe and tube diameter on the transition to a flat.

导管分支丰富，形态自然，分布均匀，管壁光滑，分支导管与上一级导管管径过渡平缓。

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Pipe wall smooth formation, no bubbles, nicks and obvious scar patterns Depression, color and uneven discoloration decomposition line.

管材外壁光滑、平整、无气泡、裂口和明显痕纹凹陷、色泽不均及分解变色线。

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A smooth and polished surface on a marble tile is also a texture, and smooth quality finishes can enhance the visual appeal of natural material finishes like marble tiles on a wall.

大理石瓷砖光亮的表面也是一种纹理，而且高质量的抛光可以提高自然材质的视觉吸引力，像墙上的大理石瓷砖。

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This early wall has a smooth and solid look.

VOA: special.2009.06.01

Wall Street got a smooth start Wednesday, as U.S. markets resumed trading after a two-day shutdown due to Hurricane Sandy, but stocks surrendered early gains about an hour into the session.

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Through the 1970s scientists focused on the interaction between deposits of cholesterol and the smooth muscle cells of the vessel wall that contains it.

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