Later Thoreau converted the factory to producing plumbago, used to ink typesetting machines.

随后梭罗让工厂转换生产适用于油墨排版机的石墨粉。

Later Thoreau converted the factory to producing plumbago , used to ink typesetting machines.

随后梭罗让工厂转换生产适用于油墨排版机的石墨粉。

The plumbago balls were counted and defects were tested by this system, and the results showed that the system is with good test capability.

系统完成后，对石墨球进行了过球计数和缺陷检测的实验，结果表明系统具备良好的检测性能。

Plumbago zeylanica Linn can increase the Ca2+ level, plays an accelerate role in the process of healing.

白花丹可以明显增加骨折家兔血钙浓度，对家兔骨折愈合有促进作用。