But when layers form weak bonds, any new snow falls on an unstable foundation, and waits for the right trigger.
但当雪层之间的结合较弱时，新下的雪就会落在不稳定的基础上，并等待正确的触发因素。
The article introduced emphatically falls wet loess area pipeline foundation processing and construction several methods.
文章着重介绍了湿陷性黄土地区管道基础的处理与施工的几种方法。
The current condition is that the foundation English module is given more attention than the professional English module. The listening and speaking module falls behind the reading and writing module.
目前的现状是基础英语模块重于专业英语模块，听说模块滞后于读写模块。
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