配浆前要认真清洗循环管线和配浆池。
Before making mud, clean all the circulation pipe-line and mud pits.
通过对浆液输送管线上的浆液进行连续再循环运行，可以使浆液在管线中保持足够的流动速度以防止管子堵塞。
By continuously recirculation the limestone slurry within the feed loop, the limestone slurry will be maintained at a fluid velocity within the piping sufficient to prevent plugging.
试验研究了X70管线钢在模拟土壤介质中，循环载荷下的裂纹扩展特性和宏观规律。
The crack propagation characteristics of X70 pipeline steel in the synthetic soil solution under cyclic loading are investigated.
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