The invention discloses a brush head of a dust collector, which comprises an upper cover, a bottom shell and a connecting pipe;

本发明公开了一种吸尘器刷头，包括上盖、底壳和接管；

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In loading condition, the shear fracturing of the bottom shell of the uncompacted belt would appear earlier than that of the top.

在加载条件下，欠压实带的顶、底壳发生剪切破裂，底壳早于顶壳。

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The pressurized vessel of a nuclear reactor consists of three parts: the top cap, the ribbed tube-plate and the shells (the external shell and the bottom shell).

反应堆压力容器包括顶盖、加肋管板，壳体(外壳和底部壳体)三部分。

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Police later found a 9mm shell at the bottom of stairs near Faull.

CNN: STORY HIGHLIGHTS

The system also has more or less the same book-inspired shape as Lenovo's U-series Ultrabooks, meaning when the notebook is closed, the top and bottom edges protrude ever so slightly beyond the sides, sort of like a hardcover shell cradling a spine full of pages.

ENGADGET: blogger-avatar

But the 610 redeems itself with a profile that's more shell-shaped than boxy, and a fine speaker grille discreetly lining the bottom of the bezel.

ENGADGET: HP TouchSmart 610 review