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90° elbow /ˈnaɪnti dɪɡɹˈiːz ˈɛlbəʊ/ n

中文：90度弯头

中文 · 90度弯头Español · codo de 90°Français · coude à 90°
Meaning：Fitting for joining two pipes in order to change their direction.
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Pipe fittings

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