The police have been tailing him.

警察一尾随他。

The paper introduces the application of hydraulic cyclones in tailing filling,grading,and prethickening.

介绍了水力旋流器尾矿充填、分级、预浓缩工艺中的生产应用。

He has been tailing me.

他一。

A series of laboratory cementing experiments on the total tailings from a gold mine in Shandong Province were conducted by use of ordinary cement and polyhydrate material as binding materials.

要分别采用普通水泥和高水单浆料为胶结材料对山东某金矿全尾矿进行了胶结对比试验。

The results indicated that the polyhydrate binding material can produce higher binding strength under lower dosage compared with the ordinary cement, so it is applied to cement total gold tailings.

结果表明，高水单浆料与水泥相比具有用量少、试块早期强度高的特点，适用于金矿全尾胶结。