在胶结充填采矿法中，选择一个恰当的水灰比是一件十分重要的工作。
In cemented filling method, to choose a proper water cement ratio is an important work.
天然沉积粘土都具有一定的结构性(组构和胶结)和结构强度。
The clays from natural sedimentation have always the structure (fabric and bond) and structure strength.
声波水泥胶结测井是检查套管井固井质量的常规方法。
Cement bond logging is a conventional method to check cement bond quality in cased hole.
声波水泥胶结测井是检查套管井固井质量的常规方法。
Cement bond logging is a conventional method to check cement bond quality in cased hole.
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