Note the timely implementation of preventive conservation measures can greatly increase the conservation benefits and improve the road service life.
说明及时实施预防性养护对策能大大提高养护效益，提高路面使用寿命。
Article 2 as used in this Law, the term "water and soil conservation" means preventive and rehabilitative measures taken against soil erosion which is caused by natural factors or human activities.
第二条本法所称水土保持，是指对自然因素和人为活动造成水土流失所采取的预防和治理措施。
Article 2 as used in this Law, the term "water and soil conservation" means preventive and rehabilitative measures taken against soil erosion which is caused by natural factors or human activities.
第二条本法所称水土保持，是指对自然因素和人为活动造成水土流失所采取的预防和治理措施。
应用推荐