Through field test, the reliability of metal material separation is affirmed by sclerometer testing repetition measurement. Moreover, ejection experiments are made in shooting range.
通过现场试验，以硬度计检测复检确认了金属材料分选仪的可靠性，并进行靶场退壳试验。
2
To increase the success rate of the teamwork between oil tube transport ejection hole and stratum testing set mainly needed to increase the level of shock absorption and leak prevention.
提高油管传输射孔与地层测试器联合作业的一次性成功率，主要在于提高减震与防漏水平。
3
Since 2004, Yellow River Conservancy Commission has conducted large-scale prototype testing of artificial density current for sediment ejection and obtained valuable primary data.