名词
中文翻译：双重填充接头
同义词：
['double-flanged joint', 'double-flange joint']
例句：
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1. Thismachine has a double fillet joint that makes it easy to install.
这台机器有一个双填充接头，使得安装变得容易。
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2. The engineer used a double fillet joint to connect the two pieces of metal together.
工程师使用一个双填充接头将两块金属连接在一起。
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3. The double fillet joint was designed to provide strength and durability in the construction of bridges.
这种双填充接头的设计是为了在桥梁建设中提供强度和耐用性。