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1·Non-metal abrasive should be adopted when copperpropeller is sand washing.

铜质螺旋桨冲砂时必须采用非金属磨料。

2·Sand washing machine is coordinated with sand Maker to separate the sand from stone dust.

用于清洗分离砂石中的石粉泥土，是配合制砂机使用的一种高效洗砂选矿设备。

3·Therefore, reservoir protection packer sand washing technique is adopted to solve this problem.

因此，研究采用保护油层封隔器冲砂技术，来解决这一问题。

4·GXS series high-efficient sand washing machine is one kind of wheel type sand washing equipment.

GXS系列高效洗砂机是一种轮斗式洗选设备。

5·There will be a lot of dust and abrasive residueon the surface of the propeller after sand washing.

冲砂后螺旋桨表面会有很多的灰尘和磨料的残留。

6·Base characteristic of silk sand washing process, mostly materials used in fusible interlining was selected.

本文根据丝绸砂洗工艺的特点对生产浆点粘合衬布的主要原材料进行了试验筛选。

7·Dongshan Stone Pit and Baolu Stone Pit got out of line in sand washing and the water emission, Zhang added.

他们已经对这两家碎石场进行了查处，“东山和宝璐两家碎石场都存在违规洗砂和直排洗砂水的行为。”

8·See above about sand washing purpose, now come, it can probably understand the importance of the construction industry.

看到上面关于砂石洗选的目的，现在可以大概了解到了，它在建筑行业的重要性。

9·For serious formation leakage, the working fluid can't carry sand column to ground surface in the process of sand washing.

由于地层漏失严重，作业冲砂施工过程中工作液无法将井筒内的砂柱携出地面。

10·In view of the shortcoming of sand washing technology with recycled water, the negative-pressure sand fishing technology is put forward.

针对循环水冲砂工艺存在的不足，提出了负压捞砂工艺技术。