1.Which landscape feature typically needs the least water?
1.以下哪种景观元素通常需水量最少？
2.If a sprinkler does not spray far enough, what should be done?
2.如果喷头喷射距离不够，应采取哪种措施？
3.What tool is best for pulling wire through conduit?
3.哪种工具最适合将电线穿过管道？
4.Which chemical is used to clear clogged drip emitters?
4.清除堵塞滴灌喷头通常使用哪种化学物质？
5.Sidewalk lighting commonly receives power from:
5.人行道照明通常由什么装置供电控制？
6. What most often causes a sprinkler head to become clogged?
6.喷头最常见的堵塞原因是？
7.Drip irrigation systems are operated using:
7.滴灌系统通常通过什么方式运行？
8.PVC irrigation pipes are closed off using a:
8.PVC 灌溉管道通常用什么方式封闭末端？
9.What device connects landscape lighting to household power?
9.哪种设备将景观照明连接到家庭电源？
10.Which condition can lead to clogged drip emitters?
10.哪种情况会导致滴灌喷头堵塞？
