“cc’d” is the abbreviation of “carbon copy” in English, which means copying someone to an email or document. In other words, the purpose of cc is to allow other people to see the same email content, even if they are not the primary recipients. if. What do the cable laying methods ct, ce, we, wc, and cc mean? As shown in the figure, it represents the cable laying method. ct: laying of cable tray; ce: laying along the ceiling; we: laying along the wall; wc: laying along the wall, concealed; cc: laying along the roof, concealed. Wc, cc, and fc respectively represent: laying along the floor and floor, laying along the roof and ceiling, and laying along the floor and floor. Specific situation: 1. sc: welded steel pipe 2. cc, wc, fc behind the line pipe are the laying method of the line pipe 3. cc: dark.
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