Kvaliteta njemačkih zavojnica za namotane cijevi

Germany's rolling processing quality and performance are excellent, suitable for advanced elders, and exported all over the world, especially large{{0}}scale, heavy-duty, and careful rolling processing, which ranks first in the world in terms of quality and performance. gt;. Use cable trays when multiple cables are laid horizontally indoors. . . e. Pipeline pressure test: Lay the concealed pipe and do a single hydraulic pressure test before hiding. The test pressure is as follows. Generally refers to the dry bulb temperature. The small curved diameter: (330)￠300mm, (440)￠400mm, (550)￠500mm;. Before the reserved hole is grouted, the root debris is broken, and the grouting is made of fine-stone concrete. The strength grade is one level higher than that of the basic concrete, and it should be tamped and compacted. Aluminum-plastic composite panel is also called aluminum-plastic panel. Generally, a three-layer structure of 3-4mm is used, and the upper and lower 0.5mm sandwiched pvc or pe.

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