防: provide against; defend agai ...沙: sand防沙坝: sand protecting dam; sand-protecting dam防沙堤: groin; groyne; jetty; sand control dam防沙法: sand precaution law防沙林: forest for protection against soil denudation; sand breaks; sand protecting plantation; sand-break; sand-protecting plantation消防沙: sand for emergency use防沙工程: sediment control structure防沙计划: planning for erosion control防沙栏栅: sand fence防沙设施: sand protection facilities防沙栅栏: sand-fence防沙治沙: prevent and control desertification; prevent and control the spreading desert丁坝;防沙坝;抗流堤: groin防沙堤;沈沙丁坝: sand groin防沙治旱基金: fund to combat desertification and drought卷收式消防沙: roll-up hydrant pipe防沙林:为防止沙漠进逼而建造的人工林。: forest for protection against soil denudation防砂作业程序: sand control procedure防砂作业: sand control application; sand control job; sand control operation; sand control treatment防砂装置: sand control installation防砂植林: sand protecting plantation防砂罩: sand cap