I wax the floor once a month.我每月给地板打一次蜡。Fine - ray, 2 ranks mainly under themicroscope. chocolate colored, board wax mask texture , Chord Flocculent mask pattern.木射线细, 显微镜下2列为主. 木材深红褐至巧克力色, 板面具蜡质感,弦面具絮状花纹.You should put ...
Archaeologists have uncovered some ancient earthwork.考古学家发现了一些古代的土建工程.Square grid is a common method used to estimate earthwork quantity.方格网法是工程土方量计算中应用最为普遍的一种方法.Scope: Earthwork Construction Machinery Construction Earth...
检测圆锥管螺纹基面中径的方法有很多,但测量过程复杂.There are many ways to measure base - level pitch diameter of cone - shaped thread.基面要求: 表面不应有积水 、 灰尘 、 漆膜 、 油污.The base level requirements: there should be no surface water, dust, paint, grease...