spaceport的英语例句
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Spacer ring provides bearing surface and prevents deformation of the gasket.
隔离环提供支撑面,防止垫圈的变形.
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It consists of a transparent dielectric spacer.
它由一个透明的电介质隔片构成的.
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Washer or spacer with adjustable inside and outside diameters.
内径和外径都可调整的垫圈或垫片.
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