肇庆镀锌格栅板 批发热镀锌钢格板 河源沟盖板价格

肇庆镀锌格栅板 批发热镀锌钢格板 河源沟盖板价格

Zhaoqing galvanized grating wholesale hot-dip galvanized steel grating heyuangou cover price

焊接固定的方法是：在钢格板每个角根扁钢上.

The method of welding and fixing is: on the first flat steel at each corner of the steel grating

焊缝长不小于20mm，高不小于3mm的角焊。

Fillet weld with weld length not less than 20 mm and height not less than 3 mm.

安装夹固定的方法是：每块板至少采用四套安装夹.

The fixing method of mounting clip is: at least four sets of mounting clips are used for each plate