求翻译：(3)支架架设：根据施工经验，内支架宜采用φ48以上钢管，脚手架专用扣件联接，纵向及横向每两排间距不应超过60cm，并且纵向、横向均设上、中、下三道横牵杠，以保证内支架形成一个稳固的受力整体。涵身内外模竹胶板之间穿PVC管和钢管（一间一），穿φ12对接螺杆。模板背面钉5×10竖木枋，间距35cm，木枋侧立，纵向受力，木枋外面设每50cm一道横向双钢管，用碗卡与对拉螺栓固定，吊垂线后拉通线校正，用木枋调直，以保证线型和外观质量。是什么意思？

(3) stand set up: According to the construction experience, stents should be used more than φ48 steel, scaffolding special fastener connection, every two rows of vertical and horizontal spacing should not exceed 60cm, and the vertical and horizontal are located on the middle and lower three horizont

( 3) A stent mounted: under construction experience should be appropriate to the stent scaffolding tubes, pipes, more than 48 dedicated fastener connections, and vertical and horizontal every two rows should be spaced not more than 60 cm, and vertical and horizontal are located, with its poles, 3 ro

(3) support erects: According to the construction experience, the inner support uses φ48 above the steel pipe suitably, a scaffold special-purpose buckle joint, longitudinal and the crosswise every two row of spacings should not surpass 60cm, and longitudinal, crosswise supposes upper, middle and lo

(3) scaffold erection: under construction experience, Stent use PHI 48 per cent of steel pipe, scaffold special fastener joined, longitudinal and lateral spacing between two rows should not exceed 60cm, longitudinal, lateral and both upper, middle and lower cross led by the forward slash to ensure s

(3) stand set up: According to the construction experience, stents should be used more than φ48 steel, scaffolding special fastener connection, every two rows of vertical and horizontal spacing should not exceed 60cm, and the vertical and horizontal are located on the middle and lower three horizont