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What does LC on the picture mean?
Aluminum alloy windows, it is recommended to look at the door and window table and the general instructions of the building;
2. The letters on the drawings are generally its pinyin, for example, LC is [lǐhéj and n chu ā ng].
Second, the symbols of all drawings on the drawings:
1 board? B 2 roof board WB 3 hollow board KB 4 trough board CB 5 folded board ZB 6 multilayer board MB 7 stair board TB 8 cover board or ditch cover plate GB 9 flashing board or cornice board YB 10 crane safety walkway board DB.
1 1 wallboard QB 12 gutter slab TGB 13 beam L 14 roof beam WL 15 crane beam DL 16 monorail crane DDL 17 rail connection dgl/kloc.
22 foundation beam JL 23 stair beam TL 24 frame beam KL 25 frame beam KZL 26 roof frame beam WKL 27 purlin LT 28 roof truss WJ 29 bracket TJ 30 skylight frame CJ 3 1 frame KJ 32 rigid frame GJ
33 support ZJ 34 column Z 35 frame column KZ 36 constructional column GZ 37 bearing platform CT 38 equipment foundation SJ 39 pile ZH 40 retaining wall DQ 4 1 trench DG 42 inter-column support DC 43 vertical support ZC
44 horizontal support SC 45 ladder T 46 awning YP 47 balcony YT 48 beam pad LD 49 embedded parts M 50 skylight end wall TD 5 1 steel mesh W 52 steel skeleton G 53 foundation J 54 hidden column AZ
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