edforce stainless steel jewelry wholesale What does JLL4 (1), JLL3 (5), JCL1 (1B) in architectural drawings mean?

wholesale lucite jewelry displays JLL4 (1): JLL represents the foundation beam (generally used for independence foundation). The last 4 is the number, and 1 in the bracket indicates that the beam is only 1 span.
jll3 (5): JLL represents the foundation beam (generally used for independent foundation). The latter 3 is the number, and the 5 in the parentheses indicates that the beam has 5 spans.
jcl1 '(1B): JCL represents the basis of the basis (generally used for beam -board raft foundation). The latter 1 is the number. There is also a cantilee beam (B meaning).
The expansion information:

@φ indicates the spacing of the steel, φ represents the reinforcement model, the CAD shortcut bond list, create a three -dimensional array 3A, create three -dimensional surface 3F, and create a multi -segment composed of a straight line segment in 3D space. Line 3P, align an object with other objects in a two -dimensional and three -dimensional space, load Autolisp, ADS, and ARX application AP.
Create arc A, calculate the area of ​​the object or definition area and the perimeter AA, create a multiple object copied AR arranged according to the specified method, execute the management function AAD of the external database command, the link information aex of the output selection object, management Links between objects and external database Ali.
This Display and edit table data and create links and select ARO. Create selected set ASE from links to text selection and graphic selection sets, and execute structure query language (SQL) statement ASQ.
The creation of attribute definition -T, change the attribute information -Te that does not depend on block definition, fills the closed area H or BH with patterns, and create block definition -B according to the selected object.
Reference information:
Baidu Encyclopedia-Architecture