In installation, only the bolt is needed for fixing the first splicing piece and the second splicing piece.

当安装时只需用螺钉固定第一拼接件和第二拼接件即可。

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In installation, only the bolt is needed for fixing the first splicing piece and the second splicing piece.

当安装时只需用螺钉固定第一拼接件和第二拼接件即可。

youdao