basic gravity造句

• The basic uneven settlement problem were controlled well , also the anti - liquefied problem of sand layer nearly was solved in this plan . when increasing the basic gravity after the project completion , the proportional lowering of seepage damage of sand in overburden foundation are greatly improved
  基础不均匀沉降问题也能得到较好控制，防砂层液化问题也基本解决，在工程完建后增加基础压重的情况下，覆盖层基础中砂层的渗透破坏坡降也大大提高。