Crack and crevice-free contact surfaces.

无裂缝和缝隙接触面。

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The sealing contact surfaces are much more sophisticated than those of a general, industrial connection.

密封接触面比一般工业接头的密封接触面复杂得多。

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Are product contact surfaces of equipment and utensils cleaned and sanitized on schedule using adequate methods?

与产品接触的设备和器具表面是否获得定期清洗消毒？方法是否正确？

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The disease causes cartilage- protecting joint surfaces to degrade, allowing painful bone-to-bone contact.

VOA: standard.2010.08.11

Getting rid of an awkward charging case is a good start, but we'd love to see contact charging surfaces stylishly massaged into our household surfaces and furnishings.

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Schneck is also going after the vision business, laying claim to the treatment of contact lens surfaces, which determines the gas permeability of soft contacts.

FORBES: Magazine Article

The highly contagious virus can be spread by contact with contaminated surfaces or objects, contact with a person who has the infection or through contaminated food and water.

BBC: Winter vomiting bug norovirus levels dip over Christmas