此项试验为长期有效控制草地害鼠,扩展鼠害防治途径提供了依据.The experiment provides the theoretic base for effectively controlling and preventing the rodent pest.鼠荒地是害鼠破坏草原植被以后形成的次生裸地.Rats wasteland is the secondary bare land of grassland on which ve...
After renovation, production capacity of cuprammonia scrubber is raised above 20 %.改造后, 铜洗塔的生产能力提高20%以上.This article reports a method of preparation of metal - copper - powder with cuprammonia by directly chemical method...
半柔性路面是一种在大孔隙沥青混合料中填充水泥胶浆而形成的兼具沥青路面与水泥砼路面特点的复合路面.Semi - flexible pavement is generally described as an open - concrete mixture, which is filled with Portland cement grout....
他在街灯下停下来，看着对面的咖啡馆。He paused under a streetlamp and looked across at the cafe.他看着卡尔向街对面的汤米跑去。He watched Karl run across the street to Tommy.突然，对面的街角处拐过一辆汽车。Suddenly a car came round a corner on the opposite side....