砂坑 meaning in Chinese
sand hole
sand pit
sandpit
trap
Examples
- The analysis of the influence of the degan gravel pits on riverbed development
长江上游德感坝采砂坑对河床演变影响分析 - The result shows that the development of the mining pit is affected by the interaction between the flow in the vicinity of the mining pit and its boundary
试验成果表明，采砂坑内及其附近的水流与采砂坑边果相互作用的结果。 - Some respects of self - compacting high - strength concrete ( schsc ) made of fujian province ' s local material have been studied in this thesis as follows : 1 . studies on microstructure of the schsc . three different mixed schsc and one normal high - strength concrete ( nhsc ) were observed by the scanning electron microscope at different sites and different ages of 1 day , 3 days , 7 days , 28 days and 60 days . from the test , the effects due to no vibrating and admixture on the microstructure of schsc were studied
通过四组强度等级相当，分别为普通混凝土、两组不掺膨胀剂的自密实混凝土（其粉煤灰的掺量不同）和掺有膨胀剂的自密实混凝土，在同一养护龄期的条件下（ 1天、 3天、 7天、 28天和60天） ，分别选择粗骨料过渡区、细骨料过渡区、水泥石和砂坑作为观测点，采用sem进行细观扫描对比实验，以研究自密实混凝土因免振捣的特性及掺合料对其骨料界面和水泥石结构的影响。