... 土壤粒径累积曲线：soil grain diameter accumulation curve 土壤沥青：Soil bitumen 土壤结构：Soil structure ...
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在回填土壤的应力作用下，管道在3∶00 ~ 9∶00时钟位置的石油沥青防腐层容易出现剥离并屏蔽阴极保护，导致管体腐蚀。
Due to the stress of backfilled soil, the asphalt coating at 3:00-9:00 (clock position) is easily disbonding and the CP is shielded, which results in the pipe body corrosion.
兴建过程中，建商会排干湿地，将沥青、混凝土、房屋建材覆盖在原本生长植物的土壤上。
In the process, construction companies are draining wetlands and covering formerly vegetated soils with asphalt, concrete and housing materials.
供应孔洞挖掘机，沥青路面压实机，土壤压实机。
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