Advance the gastrojejunostomy catheter over the wire guide through the stomach and into the duodenum, advancing far enough that the locking loop is formed within the stomach.
Advance the seeking catheter over the wire guide, then use the seeking catheter and wire guide as a unit to advance into the jejunum.
把探查导管套在导丝上向前推送，然后把探查导管和导丝作为一个整体推进空肠。
3
Transverse pre-stress steel wire is set in order to advance the transverse rigidity of the deck and improve the stressed state of the cellular slab and the deck.