The basic graphic formula of crossoverpipe system is introduced.
介绍了跨越管系统的基本图式。
2
For the even weld of crossoverpipe pieces with reliable welding, the project requires to cut the weld position of crossoverpipe pieces into shape exactly.
工程上，为了管件的相交处焊缝均匀，焊接可靠，需要将相交管件的焊缝处准确切割成型。
3
A few forms of the crossoverpipe-adjustment valve combination in vertical single pipe hot water heating system are analysed and compared each other in adjustment performance.