名词
中文翻译：垫片
同义词：
['spacer', 'gasket', 'spacer ring', 'gasket ring']
例句：
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1.The car's engine needs a new discing to fix the leak.
汽车发动机需要更换新的垫片来修理漏油。
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2.The engineer used a discing to make the joint stronger.
工程师使用垫片使接头更牢固。
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3. The discing was made from a special material that would not damage the engine.
垫片由一种特殊的材料制成，不会损坏发动机。