常見例句雙語例句This paper discusses the design methods of high-grade highway in water source protection area.論述了水源保護(hù)區(qū)高等級公路的設(shè)計(jì)方法。It is suggested that the protection of water source area should be strengthened to improve the water quality in cellars.建議加大力度，加強(qiáng)水源地的保護(hù)，改善水窖的水質(zhì)。關(guān)鍵詞水窖；水質(zhì)；巖溶區(qū)；www.karst.edu.cnThere are some ecological problems in Xishan water source protection area because of is located in Nanshan where have frequent wind disasters, excessive grazing and unreasonable use of land.但西山水源地由于地處南山風(fēng)口，風(fēng)災(zāi)頻發(fā)，多年的過度放牧和不合理利用，使得區(qū)域內(nèi)水土流失嚴(yán)重、荒漠草場植被蓋度降低、生態(tài)與環(huán)境退化嚴(yán)重。 返回 water source protection area