[understanding] those who can’t understand the construction drawings, please come here to learn. It’s a rare opportunity! dried food!

Including the above complex symbols and codes, after all, this is also the threshold of the interview company! 1、 Complete collection of graphic symbols for water supply and drainage works: ۦۜۜۚۡۜۛۜۡ۫ۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛ ۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۦۜۜۚۡۜۛۜۡ۫ۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙ ۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡ In the use of drainage engineering drawings, the abbreviations are as follows: drainage pipe-w, which is sewage.

Pressure drainage – py.

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It is rare to use – P.

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Automatic spray pipe – Z or – ZP.

Magnetic Recess Former

There is also – F, which is wastewater.

Pipe riser-l.

Other valves and appliances are distinguished by graphics.

Condensate pipe-n.

Drawings are the basis of our construction.

When we get a construction drawing, we must first be able to understand the drawing.

2、 Example drawing of common building materials ۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۦۜۜۚۡۜۛۜۡ۫ۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡ ۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙ ۚۥۚۙۙۙۚۥۛۛۚۚۛ 3、 Example drawing of common building construction ۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۦۜۜۚ ۡۜۛۜۡ۫ۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙ ۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡۥۛ۟ۡۗۡۥۛۛ۟ۙۙۚۥۚۙۙۙۚۥۛۛۚۚۛ۟ۡ 4、 Fifth, some codes of other professional drawings.

Heating pipe – R, usually the solid line represents the water supply pipe and the dotted line represents the return pipe.

In addition, the model letters of the equipment are: q-flow or air volume h-head N-power p-pressure qw-submersible sewage pump.

Pipeline of fire hydrant – XH.

Rainwater pipe – Y.

JL – water supply pipe; WL sewage pipe; YL – rainwater pipe; RJL – Hot feedwater; RHL – hot return water.