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Relative to the floor elevation, the table is positive, and the one below the floor is negative.
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If the elevation is used to represent Luo, and if it is 0 everywhere else, it is negative.
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We usually use text to describe the construction plan here, and the construction plan uses the relative elevation of the floor on the beam slab standard.
In the 1:100 building plan, the actual length of 1 meter is only 1 cm in the drawing, and some of the outlines that are actually only a few centimeters thick are less than 1 mm in the drawing, which cannot be clearly represented in 1:100. >>>More
In the construction drawings of the building plan, the first letter of the Chinese pinyin of the component is usually used for abbreviation, for example, the door is represented by "M", and the window is used"C"In the floor plan, MDC is used to represent doors and windows. >>>More
AC(air conditioner)
Air conditioning equipment, air conditioning stands. >>>More
Sunken toilets need to be waterproofed once before backfilling, and it is recommended that it is best to use mortar waterproofing agent to do it, because it is stronger and more resistant to punctures, and it is not easy to be punctured when backfilling. >>>More
This is very simple, mainly pay attention to the direction and spacing of the sanitary partition opening door.