Poured concrete retains walls work well in the heavy or unstable soil and steep slopes, making other walls inadvisable.
在重质或不稳定的土壤和陡峭的斜坡上，浇注混凝土挡土墙效果良好，让其他墙成为不明智的选择。
Unstable soil with potential to fall into excavations and injure workers.
不牢固的土方将可能掉入开挖区内并伤及工人。
Poured concrete retaining walls work well where heavy or unstable soil and steep slopes make other walls inadvisable.
现浇混凝土挡土墙以及在繁重的工作或不稳定的土壤和陡坡作出其他墙壁不明智的。
Although the region had experienced moderate seismic activity in the past, the city of Tangshan has been built on unstable, alluvial soil.
过去该地区曾经历过中度地震活动，唐山市的地基不稳定，土壤为冲积土质。
The rock-soil anchoring technique is a safe and economical method for the support and reinforcement of unstable rock-soil.
岩土锚固技术是支护与加固不稳定岩土经济而安全有效的方法。
All research results showed that the cultivated land fertility was unstable; density soil organic carbon was lower.
国内研究表明，目前耕地的地力不稳，土壤有机碳密度较低，农田土壤固碳的潜力较大。
The calculation of the unstable temperature of the soil around pipeline is the first step to evaluate the hot oil pipeline.
评价埋地热油管道的的热工状况，首要的问题是计算管道周围土壤的非稳态温度场。
Huangshilao gold mine belongs to the extra unstable ore deposit of which, the ore? Rock masses are broken and spongy with high soil containing rate.
黄狮涝金矿矿体含泥率高，矿岩体松软破碎，属极不稳固的难采矿体。
The important limited factor is the severe water and soil erosion in hilly fields to result in low and unstable grain yields.
但辽宁坡耕地水土流失严重，粮食产量低而不稳，是限制的重要因素。
The reason for the 183-foot-tall building's leaning is believed to be shallow foundations of only 10 feet deep, coupled with weak and unstable sub-soil.
人们普遍认为，这座高达183英尺的建筑出现倾斜是因为地基较浅，只有10英尺(大约3米)，且地下土壤不结实。
The reason for the 183-foot-tall building's leaning is believed to be shallow foundations of only 10 feet deep, coupled with weak and unstable sub-soil.
人们普遍认为，这座高达183英尺的建筑出现倾斜是因为地基较浅，只有10英尺(大约3米)，且地下土壤不结实。
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