Cracks have been found in the flange and web splices at groove welds in at least four Bridges.
至少在四座桥梁的翼缘板和腹板拼接坡口焊缝中发现了裂纹。
2
The flange pipe of the high diameter groove is a new type of steel pipe connection, also known as the clip connection, there are many advantages.
高径槽法兰管是一种新型的钢管连接，也称为夹连接，有许多优点。
3
When male and female (M&F) or tongue and groove (T&G) type flanges are specified, the nozzle flange facing of the vessel shall be of female or groove type.