名词
中文翻译：空白法兰
同义词：
['blank plate', 'blank flange', 'blank plate flange']
例句：
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1. The new machine has a blank flange that can be easily removed for maintenance.
这台新机器有一个可以轻易拆卸的无衬垫法兰，方便维护。
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2. The engineer used a blank flange to create a seamless joint between the two pieces of metal.
工程师使用一个无衬垫法兰来在两块金属之间创建一个无缝连接。
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3. The construction crew had to remove the old blank flange and replace it with a new one.
施工队伍不得不拆除旧的无衬垫法兰，并换上新的。