As a new type of drainage and irrigation of the dock, siphon has the advantages of simple structure, protection against sand and water and rapidset-off.
虹吸管是作为船坞灌水排水的一种新型式,具有结构简单、防冰防沙、断流迅速的优点。
2
The Fairchild model 2800 Plunger Operated Regulator is designed for applications requiring more rapidset point adjustment over the pressure range of the unit than conventional control knob models.