房子周围的塑料罩有助于保持住室内的热量。

A plastic cover around the house helps to keep the heat inside.

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例如，前翼子板是由塑料罩的材料，在某些版本的铝。

For instance, the front fenders were made of plastic and the material of the hood was aluminium in some versions.

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将环形磁铁嵌入橡胶圈的内腔中，再将塑料罩盘盖在橡胶圈的背面。

The annular magnet is embedded into an inner cavity of the rubber ring, the plastic cover disk is covered at the back face of the rubber ring.

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