室外保温管采用厚0.3mm铝板或厚0.5mm镀锌钢板做保护壳，搭接缝应

室外保温管采用厚0.3mm铝板或厚0.5mm镀锌钢板做保护壳，搭接缝应顺坡设置，防止雨水灌入。

Results (English) 1:

Outdoor insulation made of 0.3mm aluminium plate or thick-0.5mm galvanized steel protective shells, seam should be set up along the slope to prevent rainwater poured into.

Results (English) 2:

Outdoor insulation tube with 0.3mm thick 0.5mm thick galvanized steel or aluminum protective shell to do, take Longitudinal joints should be set up to prevent the rain poured.

Results (English) 3:

The outdoor heat insulation pipe is made of thick 0.3mm aluminum plate or thick 0.5mm galvanized steel plate to protect the shell. The overlapping seam should be set up to prevent the rain from pouring in.