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One type of design, save the size, easy to install.
一体式的设计，节省体积，方便安装。
youdao
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Path size, if too large, the junction is very difficult to install and seal.
如果通径尺寸过大，连接部的安装和密封十分困难。
youdao
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Path size, if too large, the junction is very difficult to install and seal.
如果通径尺寸过大，连接部的安装和密封十分困难。
youdao