1. By changing the dimension of the syphons with rotary joints and fine tuning the steam and condensate system, the drying capacity and production of paper machine can be improved greatly.
通过改变旋转接头虹吸器的尺寸和微调蒸汽冷凝水系统的配置，调整干燥部，以提高干燥部的烘干效率，并达到节能增产的效果。
2. These cannals are frequently excavated through rock, and require tunnels, flumes, syphons, aqueducts and open concrete-lined channels.
这些水渠往往要凿通岩石，并需要地道、引水沟、弯管、渡漕和混凝土水道。