可行时，经aa批准，开垦土地或土方工程应使用干净的挖掘物。
Clean excavated material shall be used for land reclamation or earthwork where practicable and subject to approval by AA.
建筑工程包括地盘平整和挖掘土方工程。这些工程将有需要进行移除废土。
Construction work will involve site formation and earthwork excavation, which will necessitate the removal of spoil.
另外，挖掘出来的土方则用于制造建筑所需的混凝土和碎石路面。
The excavated earth was used to make the concrete and also as an ingredient of the gravel surfacing.
明挖扩大基础基坑开挖时，土方采用挖掘机开挖，并由人工配合进行边坡修理、基坑顶面排水沟的修建等辅助工作。
For open spread foundation, the pit is excavated by excavators for earth work with manpower to trim the side slope and build the ditch on top of base pit.
土方机械。装载机和前端装载的挖掘机铲斗。装载体积额定值。
Earth - moving machinery. loader and front loading excavator buckets. volumetric ratings.
首先要挖掘及处置土方，其后是平整场地，原先的坡度必须减缓至新的仰角。
Excavation follows preparation of the site, and is performed when the existing grade must be brought down to a new elevation.
首先要挖掘及处置土方，其后是平整场地，原先的坡度必须减缓至新的仰角。
Excavation follows preparation of the site, and is performed when the existing grade must be brought down to a new elevation.
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