1.An automatic irrigation control valve is most often located inside a:
1.自动灌溉控制阀通常安装在什么位置？
2.What role does an irrigation controller perform?
2.灌溉控制器的主要功能是？
3.Which item is NOT necessary when dividing a landscape into irrigation zones?
3.将景观划分为多个灌溉分区时，下列哪一项不是必须考虑的？
4.After completing the wiring for landscape lighting, what should be done next?
4.完成景观照明布线后，下一步应做什么？
5.Which material is most frequently used for residential irrigation in freezing climates?
5.在寒冷易结冰的地区，住宅灌溉最常用的管材是？
6.Residential sprinkler systems are typically connected to which water meter size?
6.住宅喷灌系统通常连接到多大尺寸的水表？
7.Which fitting is used to attach a sprinkler to a threaded/slip 90-degree elbow?
7.哪种配件用于将喷头连接到带螺纹/插口的 90 度弯头？
8.On hillside installations with pressure loss from gravity or friction, what should be used?
8.在坡地安装中，若因重力或摩擦造成水压损失，应使用什么？
9.Which fixture is NOT typically part of landscape lighting?
9.下列哪一种通常不属于景观照明灯具？
10. If the last light in a landscape lighting run is dim, what is the most probable cause?
10.如果景观照明线路中最后一盏灯很暗，最可能的原因是？
