... mount the trenches 在堑壕里守卫；进入堑壕布防 open the trenches 开始挖壕沟 relieve the trenches 和战壕里的兵换防 ...
基于10个网页-相关网页
A new simplified calculation model was proposed for evaluating the isolation effect of open trenches.
提出了影响因子的概念，建立了空沟隔振效果的简化计算模型。
The position, depth and the width of open trenches were the three mainly considered factors. Finally, on the basis of the numerical calculation results, their effects laws were analyzed.
文中主要考虑了隔振沟位置、隔振沟深度和宽度三个主要影响因素，并在计算结果的基础上分析总结了他们对隔振沟响应增强区的影响规律。
All the sewage is discharged to ponds through open trenches, and there are no sewage treatment plants in 10 villages.
污水全部以明沟排放至坑塘，10个调查村均无污水处理厂。
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