例句與造句

1. Deep well dewatering of soft soil two - layer structure excavation is a kind of economical and effective dewatering method to ensure waterproof in deep excavation . nevertheless its negative impact on is often unavoidable . deep excavation dewatering often leads to the formation of a depressing cone , which may cause the cracking and even the breaking of surrounding buildings and utilities
   在軟土地區(qū)二元結構地層，采用深井降低承壓水，是保證深基坑施工作業(yè)的一種經(jīng)濟有效的方法，但也存在著一定的負面影響，因為降水勢必會形成降水漏斗，而引起基坑周邊地面沉降，可能導致周邊建筑物和公共設施的開裂或損壞。
2. It's difficult to find structure excavation in a sentence. 用structure excavation造句挺難的