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2. Afin de contrôler l'élévation de conception de l'installation de la colonne, la position de 500 mm est dessinée sur la section transversale de la colonne à l'avance, afin de faciliter le réglage et l'étalonnage de l'élévation de conception pendant l'installation. Pour l'installation de colonnes en acier sur la base de la satisfaction de la norme de retest, liez-les d'abord avec une seule corde métallique en acier galvanisée et la partie de levage.
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.