The special design of the teebranch is appropriate for drilling holes equal to the inner pipeline . diameters.
该组合式机械三通密封的特殊设计使之能配合开孔机开出与管道内径相等的孔;
2
An approximate method for calculating the elastic stresses at the squeeze at the squeeze corner sections of an identical diameter Teebranch pipe connection under internal pressure was presented.